input stringlengths 6 12 | target stringlengths 117 294 |
|---|---|
968+2147 = | < scratch >
[9, 6, 8] has 3 digits.
[2, 1, 4, 7] has 4 digits.
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 1 1 5. |
7998+78 = | < scratch >
[7, 9, 9, 8] has 4 digits.
[7, 8] has 2 digits.
[8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 0 7 6. |
4937+879 = | < scratch >
[4, 9, 3, 7] has 4 digits.
[8, 7, 9] has 3 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 8 1 6. |
7647+5368 = | < scratch >
[7, 6, 4, 7] has 4 digits.
[5, 3, 6, 8] has 4 digits.
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 0 1 5. |
577+2846 = | < scratch >
[5, 7, 7] has 3 digits.
[2, 8, 4, 6] has 4 digits.
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 4 2 3. |
5999+9929 = | < scratch >
[5, 9, 9, 9] has 4 digits.
[9, 9, 2, 9] has 4 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 9 2 8. |
892+488 = | < scratch >
[8, 9, 2] has 3 digits.
[4, 8, 8] has 3 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
[8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 8 0. |
679+3545 = | < scratch >
[6, 7, 9] has 3 digits.
[3, 5, 4, 5] has 4 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 2 2 4. |
2953+7091 = | < scratch >
[2, 9, 5, 3] has 4 digits.
[7, 0, 9, 1] has 4 digits.
[3] + [1] , C = 0, 3 + 1 + 0 = 4, A ->4, C -> 0
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 4 4. |
715+995 = | < scratch >
[7, 1, 5] has 3 digits.
[9, 9, 5] has 3 digits.
[5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 1 0. |
9239+839 = | < scratch >
[9, 2, 3, 9] has 4 digits.
[8, 3, 9] has 3 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 7 8. |
4178+7396 = | < scratch >
[4, 1, 7, 8] has 4 digits.
[7, 3, 9, 6] has 4 digits.
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1
[1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 5 7 4. |
883+1998 = | < scratch >
[8, 8, 3] has 3 digits.
[1, 9, 9, 8] has 4 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 8 8 1. |
9964+783 = | < scratch >
[9, 9, 6, 4] has 4 digits.
[7, 8, 3] has 3 digits.
[4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 7 4 7. |
835+7387 = | < scratch >
[8, 3, 5] has 3 digits.
[7, 3, 8, 7] has 4 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 2 2 2. |
59+8983 = | < scratch >
[5, 9] has 2 digits.
[8, 9, 8, 3] has 4 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 0 4 2. |
464+1756 = | < scratch >
[4, 6, 4] has 3 digits.
[1, 7, 5, 6] has 4 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 2 2 0. |
986+6728 = | < scratch >
[9, 8, 6] has 3 digits.
[6, 7, 2, 8] has 4 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 7 1 4. |
9655+984 = | < scratch >
[9, 6, 5, 5] has 4 digits.
[9, 8, 4] has 3 digits.
[5] + [4] , C = 0, 5 + 4 + 0 = 9, A ->9, C -> 0
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 6 3 9. |
995+327 = | < scratch >
[9, 9, 5] has 3 digits.
[3, 2, 7] has 3 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 2 2. |
1471+7999 = | < scratch >
[1, 4, 7, 1] has 4 digits.
[7, 9, 9, 9] has 4 digits.
[1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1
[7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1
[4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1
[1] + [7] , C = 0, 1 + 7 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 4 7 0. |
7965+66 = | < scratch >
[7, 9, 6, 5] has 4 digits.
[6, 6] has 2 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 0 3 1. |
7668+983 = | < scratch >
[7, 6, 6, 8] has 4 digits.
[9, 8, 3] has 3 digits.
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 6 5 1. |
9675+716 = | < scratch >
[9, 6, 7, 5] has 4 digits.
[7, 1, 6] has 3 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 3 9 1. |
5245+5576 = | < scratch >
[5, 2, 4, 5] has 4 digits.
[5, 5, 7, 6] has 4 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
[2] + [5] , C = 0, 2 + 5 + 0 = 8, A ->8, C -> 0
[5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 8 2 1. |
7684+7450 = | < scratch >
[7, 6, 8, 4] has 4 digits.
[7, 4, 5, 0] has 4 digits.
[4] + [0] , C = 0, 4 + 0 + 0 = 4, A ->4, C -> 0
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 1 3 4. |
4664+5450 = | < scratch >
[4, 6, 6, 4] has 4 digits.
[5, 4, 5, 0] has 4 digits.
[4] + [0] , C = 0, 4 + 0 + 0 = 4, A ->4, C -> 0
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1 1 4. |
2236+8598 = | < scratch >
[2, 2, 3, 6] has 4 digits.
[8, 5, 9, 8] has 4 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
[2] + [5] , C = 0, 2 + 5 + 0 = 8, A ->8, C -> 0
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 8 3 4. |
86+996 = | < scratch >
[8, 6] has 2 digits.
[9, 9, 6] has 3 digits.
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 8 2. |
2979+259 = | < scratch >
[2, 9, 7, 9] has 4 digits.
[2, 5, 9] has 3 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 2 3 8. |
81+9927 = | < scratch >
[8, 1] has 2 digits.
[9, 9, 2, 7] has 4 digits.
[1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 0 8. |
4997+4 = | < scratch >
[4, 9, 9, 7] has 4 digits.
[4] has 1 digits.
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 0 0 1. |
4950+9085 = | < scratch >
[4, 9, 5, 0] has 4 digits.
[9, 0, 8, 5] has 4 digits.
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 0 3 5. |
3684+9608 = | < scratch >
[3, 6, 8, 4] has 4 digits.
[9, 6, 0, 8] has 4 digits.
[4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 2 9 2. |
3845+1989 = | < scratch >
[3, 8, 4, 5] has 4 digits.
[1, 9, 8, 9] has 4 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 8 3 4. |
688+964 = | < scratch >
[6, 8, 8] has 3 digits.
[9, 6, 4] has 3 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
</ scratch >
sum:1 6 5 2. |
7489+862 = | < scratch >
[7, 4, 8, 9] has 4 digits.
[8, 6, 2] has 3 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 3 5 1. |
2978+7570 = | < scratch >
[2, 9, 7, 8] has 4 digits.
[7, 5, 7, 0] has 4 digits.
[8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 5 4 8. |
902+9358 = | < scratch >
[9, 0, 2] has 3 digits.
[9, 3, 5, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 2 6 0. |
966+135 = | < scratch >
[9, 6, 6] has 3 digits.
[1, 3, 5] has 3 digits.
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 0 1. |
6+2998 = | < scratch >
[6] has 1 digits.
[2, 9, 9, 8] has 4 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 0 0 4. |
867+2338 = | < scratch >
[8, 6, 7] has 3 digits.
[2, 3, 3, 8] has 4 digits.
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 2 0 5. |
796+337 = | < scratch >
[7, 9, 6] has 3 digits.
[3, 3, 7] has 3 digits.
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 3 3. |
6097+938 = | < scratch >
[6, 0, 9, 7] has 4 digits.
[9, 3, 8] has 3 digits.
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 0 3 5. |
499+548 = | < scratch >
[4, 9, 9] has 3 digits.
[5, 4, 8] has 3 digits.
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 4 7. |
8988+849 = | < scratch >
[8, 9, 8, 8] has 4 digits.
[8, 4, 9] has 3 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 8 3 7. |
997+94 = | < scratch >
[9, 9, 7] has 3 digits.
[9, 4] has 2 digits.
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 9 1. |
55+966 = | < scratch >
[5, 5] has 2 digits.
[9, 6, 6] has 3 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 2 1. |
78+5922 = | < scratch >
[7, 8] has 2 digits.
[5, 9, 2, 2] has 4 digits.
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 0 0 0. |
754+5378 = | < scratch >
[7, 5, 4] has 3 digits.
[5, 3, 7, 8] has 4 digits.
[4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1
[5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 1 3 2. |
5696+1947 = | < scratch >
[5, 6, 9, 6] has 4 digits.
[1, 9, 4, 7] has 4 digits.
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
[5] + [1] , C = 0, 5 + 1 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 6 4 3. |
496+586 = | < scratch >
[4, 9, 6] has 3 digits.
[5, 8, 6] has 3 digits.
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 8 2. |
7925+88 = | < scratch >
[7, 9, 2, 5] has 4 digits.
[8, 8] has 2 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 0 1 3. |
97+975 = | < scratch >
[9, 7] has 2 digits.
[9, 7, 5] has 3 digits.
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 7 2. |
967+9759 = | < scratch >
[9, 6, 7] has 3 digits.
[9, 7, 5, 9] has 4 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 7 2 6. |
4795+7308 = | < scratch >
[4, 7, 9, 5] has 4 digits.
[7, 3, 0, 8] has 4 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 1 0 3. |
175+969 = | < scratch >
[1, 7, 5] has 3 digits.
[9, 6, 9] has 3 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 4 4. |
7076+7537 = | < scratch >
[7, 0, 7, 6] has 4 digits.
[7, 5, 3, 7] has 4 digits.
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 6 1 3. |
1566+859 = | < scratch >
[1, 5, 6, 6] has 4 digits.
[8, 5, 9] has 3 digits.
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 4 2 5. |
647+3883 = | < scratch >
[6, 4, 7] has 3 digits.
[3, 8, 8, 3] has 4 digits.
[7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 5 3 0. |
7177+988 = | < scratch >
[7, 1, 7, 7] has 4 digits.
[9, 8, 8] has 3 digits.
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 1 6 5. |
679+8343 = | < scratch >
[6, 7, 9] has 3 digits.
[8, 3, 4, 3] has 4 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 0 2 2. |
999+2515 = | < scratch >
[9, 9, 9] has 3 digits.
[2, 5, 1, 5] has 4 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 5 1 4. |
4061+9559 = | < scratch >
[4, 0, 6, 1] has 4 digits.
[9, 5, 5, 9] has 4 digits.
[1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 6 2 0. |
9291+2860 = | < scratch >
[9, 2, 9, 1] has 4 digits.
[2, 8, 6, 0] has 4 digits.
[1] + [0] , C = 0, 1 + 0 + 0 = 1, A ->1, C -> 0
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 1 5 1. |
8390+6686 = | < scratch >
[8, 3, 9, 0] has 4 digits.
[6, 6, 8, 6] has 4 digits.
[0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 0 7 6. |
848+2982 = | < scratch >
[8, 4, 8] has 3 digits.
[2, 9, 8, 2] has 4 digits.
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 8 3 0. |
271+9853 = | < scratch >
[2, 7, 1] has 3 digits.
[9, 8, 5, 3] has 4 digits.
[1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1 2 4. |
2528+4995 = | < scratch >
[2, 5, 2, 8] has 4 digits.
[4, 9, 9, 5] has 4 digits.
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
[2] + [4] , C = 0, 2 + 4 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 5 2 3. |
978+26 = | < scratch >
[9, 7, 8] has 3 digits.
[2, 6] has 2 digits.
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 4. |
7735+6376 = | < scratch >
[7, 7, 3, 5] has 4 digits.
[6, 3, 7, 6] has 4 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 1 1 1. |
3994+29 = | < scratch >
[3, 9, 9, 4] has 4 digits.
[2, 9] has 2 digits.
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 0 2 3. |
979+856 = | < scratch >
[9, 7, 9] has 3 digits.
[8, 5, 6] has 3 digits.
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
</ scratch >
sum:1 8 3 5. |
569+8743 = | < scratch >
[5, 6, 9] has 3 digits.
[8, 7, 4, 3] has 4 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 3 1 2. |
5452+6584 = | < scratch >
[5, 4, 5, 2] has 4 digits.
[6, 5, 8, 4] has 4 digits.
[2] + [4] , C = 0, 2 + 4 + 0 = 6, A ->6, C -> 0
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 0 3 6. |
2267+9969 = | < scratch >
[2, 2, 6, 7] has 4 digits.
[9, 9, 6, 9] has 4 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1
[2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1
[2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 2 3 6. |
485+819 = | < scratch >
[4, 8, 5] has 3 digits.
[8, 1, 9] has 3 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 0 4. |
578+1747 = | < scratch >
[5, 7, 8] has 3 digits.
[1, 7, 4, 7] has 4 digits.
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 3 2 5. |
598+1854 = | < scratch >
[5, 9, 8] has 3 digits.
[1, 8, 5, 4] has 4 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 4 5 2. |
919+1293 = | < scratch >
[9, 1, 9] has 3 digits.
[1, 2, 9, 3] has 4 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 2 1 2. |
587+7896 = | < scratch >
[5, 8, 7] has 3 digits.
[7, 8, 9, 6] has 4 digits.
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 4 8 3. |
5076+8237 = | < scratch >
[5, 0, 7, 6] has 4 digits.
[8, 2, 3, 7] has 4 digits.
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 3 1 3. |
883+557 = | < scratch >
[8, 8, 3] has 3 digits.
[5, 5, 7] has 3 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1
[8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 4 0. |
6197+939 = | < scratch >
[6, 1, 9, 7] has 4 digits.
[9, 3, 9] has 3 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 1 3 6. |
4591+7637 = | < scratch >
[4, 5, 9, 1] has 4 digits.
[7, 6, 3, 7] has 4 digits.
[1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 2 2 8. |
8974+338 = | < scratch >
[8, 9, 7, 4] has 4 digits.
[3, 3, 8] has 3 digits.
[4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 3 1 2. |
9612+796 = | < scratch >
[9, 6, 1, 2] has 4 digits.
[7, 9, 6] has 3 digits.
[2] + [6] , C = 0, 2 + 6 + 0 = 8, A ->8, C -> 0
[1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1
[6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 4 0 8. |
7572+5538 = | < scratch >
[7, 5, 7, 2] has 4 digits.
[5, 5, 3, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 1 1 0. |
88+9974 = | < scratch >
[8, 8] has 2 digits.
[9, 9, 7, 4] has 4 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 6 2. |
906+8799 = | < scratch >
[9, 0, 6] has 3 digits.
[8, 7, 9, 9] has 4 digits.
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 7 0 5. |
923+197 = | < scratch >
[9, 2, 3] has 3 digits.
[1, 9, 7] has 3 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 2 0. |
4369+6876 = | < scratch >
[4, 3, 6, 9] has 4 digits.
[6, 8, 7, 6] has 4 digits.
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1
[3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1
[4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 2 4 5. |
538+3767 = | < scratch >
[5, 3, 8] has 3 digits.
[3, 7, 6, 7] has 4 digits.
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 3 0 5. |
7738+4515 = | < scratch >
[7, 7, 3, 8] has 4 digits.
[4, 5, 1, 5] has 4 digits.
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 2 5 3. |
3969+9641 = | < scratch >
[3, 9, 6, 9] has 4 digits.
[9, 6, 4, 1] has 4 digits.
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 6 1 0. |
789+419 = | < scratch >
[7, 8, 9] has 3 digits.
[4, 1, 9] has 3 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 0 8. |
798+832 = | < scratch >
[7, 9, 8] has 3 digits.
[8, 3, 2] has 3 digits.
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1
</ scratch >
sum:1 6 3 0. |
9947+80 = | < scratch >
[9, 9, 4, 7] has 4 digits.
[8, 0] has 2 digits.
[7] + [0] , C = 0, 7 + 0 + 0 = 7, A ->7, C -> 0
[4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 2 7. |
1384+9569 = | < scratch >
[1, 3, 8, 4] has 4 digits.
[9, 5, 6, 9] has 4 digits.
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[3] + [5] , C = 0, 3 + 5 + 0 = 9, A ->9, C -> 0
[1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 9 5 3. |
396+9938 = | < scratch >
[3, 9, 6] has 3 digits.
[9, 9, 3, 8] has 4 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 3 3 4. |
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