input stringlengths 6 12 | target stringlengths 117 294 |
|---|---|
72+5168 = | < scratch >
[7, 2] has 2 digits.
[5, 1, 6, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 2 4 0. |
4709+8392 = | < scratch >
[4, 7, 0, 9] has 4 digits.
[8, 3, 9, 2] has 4 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 1 0 1. |
8990+2182 = | < scratch >
[8, 9, 9, 0] has 4 digits.
[2, 1, 8, 2] has 4 digits.
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
[8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 1 7 2. |
7572+509 = | < scratch >
[7, 5, 7, 2] has 4 digits.
[5, 0, 9] has 3 digits.
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
[5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 0 8 1. |
599+8 = | < scratch >
[5, 9, 9] has 3 digits.
[8] has 1 digits.
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 0 7. |
1954+6827 = | < scratch >
[1, 9, 5, 4] has 4 digits.
[6, 8, 2, 7] has 4 digits.
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 7 8 1. |
3655+49 = | < scratch >
[3, 6, 5, 5] has 4 digits.
[4, 9] has 2 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 7 0 4. |
8733+781 = | < scratch >
[8, 7, 3, 3] has 4 digits.
[7, 8, 1] has 3 digits.
[3] + [1] , C = 0, 3 + 1 + 0 = 4, A ->4, C -> 0
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 5 1 4. |
6+5497 = | < scratch >
[6] has 1 digits.
[5, 4, 9, 7] has 4 digits.
[6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 5 0 3. |
6293+8380 = | < scratch >
[6, 2, 9, 3] has 4 digits.
[8, 3, 8, 0] has 4 digits.
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[2] + [3] , C = 0, 2 + 3 + 0 = 6, A ->6, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 6 7 3. |
377+69 = | < scratch >
[3, 7, 7] has 3 digits.
[6, 9] has 2 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 4 6. |
671+9912 = | < scratch >
[6, 7, 1] has 3 digits.
[9, 9, 1, 2] has 4 digits.
[1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0
[7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, C -> 0
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 5 8 3. |
882+8167 = | < scratch >
[8, 8, 2] has 3 digits.
[8, 1, 6, 7] has 4 digits.
[2] + [7] , C = 0, 2 + 7 + 0 = 9, A ->9, C -> 0
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 0 4 9. |
276+3982 = | < scratch >
[2, 7, 6] has 3 digits.
[3, 9, 8, 2] has 4 digits.
[6] + [2] , C = 0, 6 + 2 + 0 = 8, A ->8, C -> 0
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 2 5 8. |
99+74 = | < scratch >
[9, 9] has 2 digits.
[7, 4] has 2 digits.
[9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 3. |
278+665 = | < scratch >
[2, 7, 8] has 3 digits.
[6, 6, 5] has 3 digits.
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
[2] + [6] , C = 0, 2 + 6 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 4 3. |
475+888 = | < scratch >
[4, 7, 5] has 3 digits.
[8, 8, 8] has 3 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 6 3. |
922+7682 = | < scratch >
[9, 2, 2] has 3 digits.
[7, 6, 8, 2] has 4 digits.
[2] + [2] , C = 0, 2 + 2 + 0 = 4, A ->4, C -> 0
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 6 0 4. |
74+26 = | < scratch >
[7, 4] has 2 digits.
[2, 6] has 2 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0. |
4639+5917 = | < scratch >
[4, 6, 3, 9] has 4 digits.
[5, 9, 1, 7] has 4 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 5 5 6. |
88+795 = | < scratch >
[8, 8] has 2 digits.
[7, 9, 5] has 3 digits.
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 8 3. |
269+37 = | < scratch >
[2, 6, 9] has 3 digits.
[3, 7] has 2 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 0 6. |
5+196 = | < scratch >
[5] has 1 digits.
[1, 9, 6] has 3 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 0 1. |
5057+57 = | < scratch >
[5, 0, 5, 7] has 4 digits.
[5, 7] has 2 digits.
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0
[5] + [0] , C = 0, 5 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 1 1 4. |
1932+89 = | < scratch >
[1, 9, 3, 2] has 4 digits.
[8, 9] has 2 digits.
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 0 2 1. |
5987+69 = | < scratch >
[5, 9, 8, 7] has 4 digits.
[6, 9] has 2 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 0 5 6. |
178+7374 = | < scratch >
[1, 7, 8] has 3 digits.
[7, 3, 7, 4] has 4 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
[1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0
[0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 5 5 2. |
3819+725 = | < scratch >
[3, 8, 1, 9] has 4 digits.
[7, 2, 5] has 3 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[1] + [2] , C = 0, 1 + 2 + 0 = 4, A ->4, C -> 0
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 5 4 4. |
1191+884 = | < scratch >
[1, 1, 9, 1] has 4 digits.
[8, 8, 4] has 3 digits.
[1] + [4] , C = 0, 1 + 4 + 0 = 5, A ->5, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 0 7 5. |
3098+309 = | < scratch >
[3, 0, 9, 8] has 4 digits.
[3, 0, 9] has 3 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 4 0 7. |
6196+8093 = | < scratch >
[6, 1, 9, 6] has 4 digits.
[8, 0, 9, 3] has 4 digits.
[6] + [3] , C = 0, 6 + 3 + 0 = 9, A ->9, C -> 0
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 2 8 9. |
8444+895 = | < scratch >
[8, 4, 4, 4] has 4 digits.
[8, 9, 5] has 3 digits.
[4] + [5] , C = 0, 4 + 5 + 0 = 9, A ->9, C -> 0
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 3 3 9. |
5383+47 = | < scratch >
[5, 3, 8, 3] has 4 digits.
[4, 7] has 2 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
[5] + [0] , C = 0, 5 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 4 3 0. |
9948+952 = | < scratch >
[9, 9, 4, 8] has 4 digits.
[9, 5, 2] has 3 digits.
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, 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 0 0. |
1918+738 = | < scratch >
[1, 9, 1, 8] has 4 digits.
[7, 3, 8] has 3 digits.
[8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1
[1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 6 5 6. |
98+8422 = | < scratch >
[9, 8] has 2 digits.
[8, 4, 2, 2] has 4 digits.
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
[0] + [8] , C = 0, 0 + 8 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 5 2 0. |
9571+2466 = | < scratch >
[9, 5, 7, 1] has 4 digits.
[2, 4, 6, 6] has 4 digits.
[1] + [6] , C = 0, 1 + 6 + 0 = 7, A ->7, C -> 0
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 0 3 7. |
96+7 = | < scratch >
[9, 6] has 2 digits.
[7] has 1 digits.
[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. |
8839+992 = | < scratch >
[8, 8, 3, 9] has 4 digits.
[9, 9, 2] has 3 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 8 3 1. |
97+5 = | < scratch >
[9, 7] has 2 digits.
[5] has 1 digits.
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 2. |
993+47 = | < scratch >
[9, 9, 3] has 3 digits.
[4, 7] has 2 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 4 0. |
1679+871 = | < scratch >
[1, 6, 7, 9] has 4 digits.
[8, 7, 1] has 3 digits.
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 5 5 0. |
72+6698 = | < scratch >
[7, 2] has 2 digits.
[6, 6, 9, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1
[0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0
[0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 7 7 0. |
8758+64 = | < scratch >
[8, 7, 5, 8] has 4 digits.
[6, 4] has 2 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
[8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 8 2 2. |
52+49 = | < scratch >
[5, 2] has 2 digits.
[4, 9] has 2 digits.
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1. |
899+69 = | < scratch >
[8, 9, 9] has 3 digits.
[6, 9] has 2 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 6 8. |
4561+982 = | < scratch >
[4, 5, 6, 1] has 4 digits.
[9, 8, 2] has 3 digits.
[1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 5 4 3. |
499+78 = | < scratch >
[4, 9, 9] has 3 digits.
[7, 8] has 2 digits.
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 7 7. |
6930+6590 = | < scratch >
[6, 9, 3, 0] has 4 digits.
[6, 5, 9, 0] has 4 digits.
[0] + [0] , C = 0, 0 + 0 + 0 = 0, A ->0, C -> 0
[3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 5 2 0. |
715+1968 = | < scratch >
[7, 1, 5] has 3 digits.
[1, 9, 6, 8] has 4 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 6 8 3. |
694+4197 = | < scratch >
[6, 9, 4] has 3 digits.
[4, 1, 9, 7] has 4 digits.
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[6] + [1] , C = 0, 6 + 1 + 0 = 8, A ->8, C -> 0
[0] + [4] , C = 0, 0 + 4 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 8 9 1. |
548+5749 = | < scratch >
[5, 4, 8] has 3 digits.
[5, 7, 4, 9] has 4 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[4] + [4] , C = 0, 4 + 4 + 0 = 9, A ->9, C -> 0
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 2 9 7. |
645+98 = | < scratch >
[6, 4, 5] has 3 digits.
[9, 8] has 2 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 4 3. |
46+84 = | < scratch >
[4, 6] has 2 digits.
[8, 4] has 2 digits.
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 0. |
8679+6615 = | < scratch >
[8, 6, 7, 9] has 4 digits.
[6, 6, 1, 5] has 4 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 2 9 4. |
57+66 = | < scratch >
[5, 7] has 2 digits.
[6, 6] has 2 digits.
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 3. |
4134+9686 = | < scratch >
[4, 1, 3, 4] has 4 digits.
[9, 6, 8, 6] has 4 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1
[1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 8 2 0. |
73+258 = | < scratch >
[7, 3] has 2 digits.
[2, 5, 8] has 3 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 3 1. |
7266+165 = | < scratch >
[7, 2, 6, 6] has 4 digits.
[1, 6, 5] has 3 digits.
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1
[2] + [1] , C = 0, 2 + 1 + 0 = 4, A ->4, C -> 0
[7] + [0] , C = 0, 7 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 4 3 1. |
54+457 = | < scratch >
[5, 4] has 2 digits.
[4, 5, 7] has 3 digits.
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 1 1. |
487+3037 = | < scratch >
[4, 8, 7] has 3 digits.
[3, 0, 3, 7] has 4 digits.
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
[0] + [3] , C = 0, 0 + 3 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 5 2 4. |
5+3796 = | < scratch >
[5] has 1 digits.
[3, 7, 9, 6] has 4 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
[0] + [3] , C = 0, 0 + 3 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 8 0 1. |
698+278 = | < scratch >
[6, 9, 8] has 3 digits.
[2, 7, 8] has 3 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
[6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 7 6. |
63+985 = | < scratch >
[6, 3] has 2 digits.
[9, 8, 5] has 3 digits.
[3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 4 8. |
4898+8834 = | < scratch >
[4, 8, 9, 8] has 4 digits.
[8, 8, 3, 4] has 4 digits.
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1
[8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 7 3 2. |
5877+9735 = | < scratch >
[5, 8, 7, 7] has 4 digits.
[9, 7, 3, 5] has 4 digits.
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 6 1 2. |
2077+174 = | < scratch >
[2, 0, 7, 7] has 4 digits.
[1, 7, 4] has 3 digits.
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
[0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0
[2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 2 5 1. |
255+4259 = | < scratch >
[2, 5, 5] has 3 digits.
[4, 2, 5, 9] has 4 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0
[0] + [4] , C = 0, 0 + 4 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 5 1 4. |
863+359 = | < scratch >
[8, 6, 3] has 3 digits.
[3, 5, 9] has 3 digits.
[3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 2 2. |
52+5259 = | < scratch >
[5, 2] has 2 digits.
[5, 2, 5, 9] has 4 digits.
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 3 1 1. |
9+9892 = | < scratch >
[9] has 1 digits.
[9, 8, 9, 2] has 4 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, 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
[0] + [9] , C = 0, 0 + 9 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 9 0 1. |
2977+913 = | < scratch >
[2, 9, 7, 7] has 4 digits.
[9, 1, 3] has 3 digits.
[7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1
[7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 8 9 0. |
472+985 = | < scratch >
[4, 7, 2] has 3 digits.
[9, 8, 5] has 3 digits.
[2] + [5] , C = 0, 2 + 5 + 0 = 7, A ->7, C -> 0
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 5 7. |
8455+57 = | < scratch >
[8, 4, 5, 5] has 4 digits.
[5, 7] has 2 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
[8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 5 1 2. |
847+556 = | < scratch >
[8, 4, 7] has 3 digits.
[5, 5, 6] has 3 digits.
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
[8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 0 3. |
14+86 = | < scratch >
[1, 4] has 2 digits.
[8, 6] has 2 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0. |
5884+923 = | < scratch >
[5, 8, 8, 4] has 4 digits.
[9, 2, 3] has 3 digits.
[4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 8 0 7. |
1317+4985 = | < scratch >
[1, 3, 1, 7] has 4 digits.
[4, 9, 8, 5] has 4 digits.
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1
[3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1
[1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 3 0 2. |
366+88 = | < scratch >
[3, 6, 6] has 3 digits.
[8, 8] has 2 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 5 4. |
781+2421 = | < scratch >
[7, 8, 1] has 3 digits.
[2, 4, 2, 1] has 4 digits.
[1] + [1] , C = 0, 1 + 1 + 0 = 2, A ->2, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 2 0 2. |
6566+615 = | < scratch >
[6, 5, 6, 6] has 4 digits.
[6, 1, 5] has 3 digits.
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[6] + [1] , C = 0, 6 + 1 + 0 = 8, A ->8, C -> 0
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 1 8 1. |
4967+979 = | < scratch >
[4, 9, 6, 7] has 4 digits.
[9, 7, 9] has 3 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 9 4 6. |
42+5659 = | < scratch >
[4, 2] has 2 digits.
[5, 6, 5, 9] has 4 digits.
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
[0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 7 0 1. |
83+2269 = | < scratch >
[8, 3] has 2 digits.
[2, 2, 6, 9] has 4 digits.
[3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 3 5 2. |
6781+382 = | < scratch >
[6, 7, 8, 1] has 4 digits.
[3, 8, 2] has 3 digits.
[1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0
[8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 1 6 3. |
6289+214 = | < scratch >
[6, 2, 8, 9] has 4 digits.
[2, 1, 4] has 3 digits.
[9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
[2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 5 0 3. |
7349+54 = | < scratch >
[7, 3, 4, 9] has 4 digits.
[5, 4] has 2 digits.
[9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
[7] + [0] , C = 0, 7 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 4 0 3. |
8262+58 = | < scratch >
[8, 2, 6, 2] has 4 digits.
[5, 8] has 2 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
[8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 3 2 0. |
5398+670 = | < scratch >
[5, 3, 9, 8] has 4 digits.
[6, 7, 0] has 3 digits.
[8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 0 6 8. |
8378+8737 = | < scratch >
[8, 3, 7, 8] has 4 digits.
[8, 7, 3, 7] has 4 digits.
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1
[8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 1 1 5. |
9811+373 = | < scratch >
[9, 8, 1, 1] has 4 digits.
[3, 7, 3] has 3 digits.
[1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0
[1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1 8 4. |
77+86 = | < scratch >
[7, 7] has 2 digits.
[8, 6] has 2 digits.
[7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1
[7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1
</ scratch >
sum:1 6 3. |
935+159 = | < scratch >
[9, 3, 5] has 3 digits.
[1, 5, 9] has 3 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[3] + [5] , C = 0, 3 + 5 + 0 = 9, A ->9, C -> 0
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 9 4. |
249+866 = | < scratch >
[2, 4, 9] has 3 digits.
[8, 6, 6] has 3 digits.
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 1 5. |
9231+803 = | < scratch >
[9, 2, 3, 1] has 4 digits.
[8, 0, 3] has 3 digits.
[1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, 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 3 4. |
1569+46 = | < scratch >
[1, 5, 6, 9] has 4 digits.
[4, 6] has 2 digits.
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1
[5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0
[1] + [0] , C = 0, 1 + 0 + 0 = 1, A ->1, C -> 0
</ scratch >
sum:1 6 1 5. |
355+67 = | < scratch >
[3, 5, 5] has 3 digits.
[6, 7] has 2 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 2 2. |
6118+4219 = | < scratch >
[6, 1, 1, 8] has 4 digits.
[4, 2, 1, 9] has 4 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0
[1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 3 3 7. |
7529+4983 = | < scratch >
[7, 5, 2, 9] has 4 digits.
[4, 9, 8, 3] has 4 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 5 1 2. |
780+227 = | < scratch >
[7, 8, 0] has 3 digits.
[2, 2, 7] has 3 digits.
[0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 7. |
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