input stringlengths 6 12 | target stringlengths 117 294 |
|---|---|
369+4779 = | < scratch >
[3, 6, 9] has 3 digits.
[4, 7, 7, 9] has 4 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1
[3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 1 4 8. |
73+59 = | < scratch >
[7, 3] has 2 digits.
[5, 9] has 2 digits.
[3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 2. |
2769+462 = | < scratch >
[2, 7, 6, 9] has 4 digits.
[4, 6, 2] has 3 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
[6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1
[7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 2 3 1. |
3259+271 = | < scratch >
[3, 2, 5, 9] has 4 digits.
[2, 7, 1] has 3 digits.
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
[5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1
[2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 5 3 0. |
990+7462 = | < scratch >
[9, 9, 0] has 3 digits.
[7, 4, 6, 2] has 4 digits.
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 4 5 2. |
6096+9 = | < scratch >
[6, 0, 9, 6] has 4 digits.
[9] has 1 digits.
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 1 0 5. |
6692+8 = | < scratch >
[6, 6, 9, 2] has 4 digits.
[8] has 1 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 7 0 0. |
786+2065 = | < scratch >
[7, 8, 6] has 3 digits.
[2, 0, 6, 5] has 4 digits.
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 8 5 1. |
59+9567 = | < scratch >
[5, 9] has 2 digits.
[9, 5, 6, 7] has 4 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
[0] + [9] , C = 0, 0 + 9 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 6 2 6. |
3673+5729 = | < scratch >
[3, 6, 7, 3] has 4 digits.
[5, 7, 2, 9] has 4 digits.
[3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
[6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1
[3] + [5] , C = 0, 3 + 5 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 4 0 2. |
1769+795 = | < scratch >
[1, 7, 6, 9] has 4 digits.
[7, 9, 5] has 3 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
[7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1
[1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 5 6 4. |
6131+5370 = | < scratch >
[6, 1, 3, 1] has 4 digits.
[5, 3, 7, 0] has 4 digits.
[1] + [0] , C = 0, 1 + 0 + 0 = 1, A ->1, C -> 0
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 5 0 1. |
9904+2995 = | < scratch >
[9, 9, 0, 4] has 4 digits.
[2, 9, 9, 5] has 4 digits.
[4] + [5] , C = 0, 4 + 5 + 0 = 9, A ->9, C -> 0
[0] + [9] , C = 0, 0 + 9 + 0 = 9, A ->9, C -> 0
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 8 9 9. |
4843+976 = | < scratch >
[4, 8, 4, 3] has 4 digits.
[9, 7, 6] has 3 digits.
[3] + [6] , C = 0, 3 + 6 + 0 = 9, A ->9, C -> 0
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 8 1 9. |
9881+7730 = | < scratch >
[9, 8, 8, 1] has 4 digits.
[7, 7, 3, 0] has 4 digits.
[1] + [0] , C = 0, 1 + 0 + 0 = 1, A ->1, C -> 0
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 6 1 1. |
6904+497 = | < scratch >
[6, 9, 0, 4] has 4 digits.
[4, 9, 7] has 3 digits.
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 4 0 1. |
580+880 = | < scratch >
[5, 8, 0] has 3 digits.
[8, 8, 0] has 3 digits.
[0] + [0] , C = 0, 0 + 0 + 0 = 0, A ->0, C -> 0
[8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 6 0. |
3789+530 = | < scratch >
[3, 7, 8, 9] has 4 digits.
[5, 3, 0] has 3 digits.
[9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
[3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 3 1 9. |
835+939 = | < scratch >
[8, 3, 5] has 3 digits.
[9, 3, 9] has 3 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 7 4. |
595+9 = | < scratch >
[5, 9, 5] has 3 digits.
[9] has 1 digits.
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, 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 4. |
276+789 = | < scratch >
[2, 7, 6] has 3 digits.
[7, 8, 9] has 3 digits.
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1
[2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 6 5. |
85+25 = | < scratch >
[8, 5] has 2 digits.
[2, 5] has 2 digits.
[5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1
[8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 0. |
8289+55 = | < scratch >
[8, 2, 8, 9] has 4 digits.
[5, 5] has 2 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1
[8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, 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 4 4. |
8354+2236 = | < scratch >
[8, 3, 5, 4] has 4 digits.
[2, 2, 3, 6] has 4 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[5] + [3] , C = 0, 5 + 3 + 0 = 9, A ->9, C -> 0
[3] + [2] , C = 0, 3 + 2 + 0 = 5, A ->5, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 5 9 0. |
8750+2903 = | < scratch >
[8, 7, 5, 0] has 4 digits.
[2, 9, 0, 3] has 4 digits.
[0] + [3] , C = 0, 0 + 3 + 0 = 3, A ->3, C -> 0
[5] + [0] , C = 0, 5 + 0 + 0 = 5, A ->5, C -> 0
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 6 5 3. |
81+5889 = | < scratch >
[8, 1] has 2 digits.
[5, 8, 8, 9] has 4 digits.
[1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1
[8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
[0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 9 7 0. |
36+64 = | < scratch >
[3, 6] has 2 digits.
[6, 4] has 2 digits.
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0. |
943+2847 = | < scratch >
[9, 4, 3] has 3 digits.
[2, 8, 4, 7] has 4 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[4] + [4] , C = 0, 4 + 4 + 0 = 9, A ->9, C -> 0
[9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 7 9 0. |
7085+398 = | < scratch >
[7, 0, 8, 5] has 4 digits.
[3, 9, 8] has 3 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
[7] + [0] , C = 0, 7 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 4 8 3. |
72+179 = | < scratch >
[7, 2] has 2 digits.
[1, 7, 9] has 3 digits.
[2] + [9] , C = 1, 2 + 9 + 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
</ scratch >
sum:2 5 1. |
736+8448 = | < scratch >
[7, 3, 6] has 3 digits.
[8, 4, 4, 8] has 4 digits.
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[3] + [4] , C = 0, 3 + 4 + 0 = 8, A ->8, C -> 0
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 1 8 4. |
1455+247 = | < scratch >
[1, 4, 5, 5] has 4 digits.
[2, 4, 7] has 3 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1
[4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0
[1] + [0] , C = 0, 1 + 0 + 0 = 1, A ->1, C -> 0
</ scratch >
sum:1 7 0 2. |
99+21 = | < scratch >
[9, 9] has 2 digits.
[2, 1] has 2 digits.
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
[9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 0. |
7462+8288 = | < scratch >
[7, 4, 6, 2] has 4 digits.
[8, 2, 8, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 7 5 0. |
7345+5787 = | < scratch >
[7, 3, 4, 5] has 4 digits.
[5, 7, 8, 7] has 4 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1
[7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 1 3 2. |
749+937 = | < scratch >
[7, 4, 9] has 3 digits.
[9, 3, 7] has 3 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[4] + [3] , C = 0, 4 + 3 + 0 = 8, A ->8, C -> 0
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
</ scratch >
sum:1 6 8 6. |
278+395 = | < scratch >
[2, 7, 8] has 3 digits.
[3, 9, 5] has 3 digits.
[8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1
[7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1
[2] + [3] , C = 0, 2 + 3 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 7 3. |
5660+469 = | < scratch >
[5, 6, 6, 0] has 4 digits.
[4, 6, 9] has 3 digits.
[0] + [9] , C = 0, 0 + 9 + 0 = 9, A ->9, C -> 0
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, 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
</ scratch >
sum:6 1 2 9. |
4418+797 = | < scratch >
[4, 4, 1, 8] has 4 digits.
[7, 9, 7] has 3 digits.
[8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 2 1 5. |
6058+463 = | < scratch >
[6, 0, 5, 8] has 4 digits.
[4, 6, 3] has 3 digits.
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 5 2 1. |
2229+72 = | < scratch >
[2, 2, 2, 9] has 4 digits.
[7, 2] has 2 digits.
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
[2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
[2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 3 0 1. |
478+729 = | < scratch >
[4, 7, 8] has 3 digits.
[7, 2, 9] has 3 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1
[4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 0 7. |
298+6 = | < scratch >
[2, 9, 8] has 3 digits.
[6] has 1 digits.
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 0 4. |
58+86 = | < scratch >
[5, 8] has 2 digits.
[8, 6] has 2 digits.
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 4. |
4296+204 = | < scratch >
[4, 2, 9, 6] has 4 digits.
[2, 0, 4] has 3 digits.
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
[2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0
[4] + [0] , C = 0, 4 + 0 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 5 0 0. |
3933+2868 = | < scratch >
[3, 9, 3, 3] has 4 digits.
[2, 8, 6, 8] has 4 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1
[3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 8 0 1. |
975+5552 = | < scratch >
[9, 7, 5] has 3 digits.
[5, 5, 5, 2] has 4 digits.
[5] + [2] , C = 0, 5 + 2 + 0 = 7, A ->7, C -> 0
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 5 2 7. |
644+9575 = | < scratch >
[6, 4, 4] has 3 digits.
[9, 5, 7, 5] has 4 digits.
[4] + [5] , C = 0, 4 + 5 + 0 = 9, A ->9, C -> 0
[4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 2 1 9. |
422+595 = | < scratch >
[4, 2, 2] has 3 digits.
[5, 9, 5] has 3 digits.
[2] + [5] , C = 0, 2 + 5 + 0 = 7, A ->7, C -> 0
[2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1 7. |
419+887 = | < scratch >
[4, 1, 9] has 3 digits.
[8, 8, 7] has 3 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 0 6. |
78+839 = | < scratch >
[7, 8] has 2 digits.
[8, 3, 9] has 3 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 1 7. |
49+8889 = | < scratch >
[4, 9] has 2 digits.
[8, 8, 8, 9] has 4 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0
[0] + [8] , C = 0, 0 + 8 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 9 3 8. |
37+564 = | < scratch >
[3, 7] has 2 digits.
[5, 6, 4] has 3 digits.
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 0 1. |
9160+9482 = | < scratch >
[9, 1, 6, 0] has 4 digits.
[9, 4, 8, 2] has 4 digits.
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
[6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1
[1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
</ scratch >
sum:1 8 6 4 2. |
968+63 = | < scratch >
[9, 6, 8] has 3 digits.
[6, 3] has 2 digits.
[8] + [3] , C = 1, 8 + 3 + 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
</ scratch >
sum:1 0 3 1. |
6603+427 = | < scratch >
[6, 6, 0, 3] has 4 digits.
[4, 2, 7] has 3 digits.
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
[6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 0 3 0. |
498+53 = | < scratch >
[4, 9, 8] has 3 digits.
[5, 3] has 2 digits.
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 5 1. |
9+96 = | < scratch >
[9] has 1 digits.
[9, 6] has 2 digits.
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 5. |
8067+9289 = | < scratch >
[8, 0, 6, 7] has 4 digits.
[9, 2, 8, 9] has 4 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 3 5 6. |
49+66 = | < scratch >
[4, 9] has 2 digits.
[6, 6] has 2 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
</ scratch >
sum:1 1 5. |
7505+3903 = | < scratch >
[7, 5, 0, 5] has 4 digits.
[3, 9, 0, 3] has 4 digits.
[5] + [3] , C = 0, 5 + 3 + 0 = 8, A ->8, C -> 0
[0] + [0] , C = 0, 0 + 0 + 0 = 0, A ->0, C -> 0
[5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1
[7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 4 0 8. |
8876+1210 = | < scratch >
[8, 8, 7, 6] has 4 digits.
[1, 2, 1, 0] has 4 digits.
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
[7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 0 8 6. |
816+95 = | < scratch >
[8, 1, 6] has 3 digits.
[9, 5] has 2 digits.
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 1 1. |
6805+2378 = | < scratch >
[6, 8, 0, 5] has 4 digits.
[2, 3, 7, 8] has 4 digits.
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
[8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1
[6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 1 8 3. |
249+57 = | < scratch >
[2, 4, 9] has 3 digits.
[5, 7] has 2 digits.
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
[2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 0 6. |
777+670 = | < scratch >
[7, 7, 7] has 3 digits.
[6, 7, 0] has 3 digits.
[7] + [0] , C = 0, 7 + 0 + 0 = 7, A ->7, C -> 0
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
[7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1
</ scratch >
sum:1 4 4 7. |
885+2457 = | < scratch >
[8, 8, 5] has 3 digits.
[2, 4, 5, 7] has 4 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1
[8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 3 4 2. |
5583+9682 = | < scratch >
[5, 5, 8, 3] has 4 digits.
[9, 6, 8, 2] has 4 digits.
[3] + [2] , C = 0, 3 + 2 + 0 = 5, A ->5, C -> 0
[8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 2 6 5. |
4569+651 = | < scratch >
[4, 5, 6, 9] has 4 digits.
[6, 5, 1] has 3 digits.
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
[6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1
[5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 2 2 0. |
912+2648 = | < scratch >
[9, 1, 2] has 3 digits.
[2, 6, 4, 8] has 4 digits.
[2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1
[1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0
[9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1
[0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 5 6 0. |
9+6295 = | < scratch >
[9] has 1 digits.
[6, 2, 9, 5] has 4 digits.
[9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, 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
[0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 3 0 4. |
950+773 = | < scratch >
[9, 5, 0] has 3 digits.
[7, 7, 3] has 3 digits.
[0] + [3] , C = 0, 0 + 3 + 0 = 3, A ->3, C -> 0
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
</ scratch >
sum:1 7 2 3. |
593+2378 = | < scratch >
[5, 9, 3] has 3 digits.
[2, 3, 7, 8] has 4 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[5] + [3] , C = 0, 5 + 3 + 0 = 9, A ->9, C -> 0
[0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0
</ scratch >
sum:2 9 7 1. |
97+314 = | < scratch >
[9, 7] has 2 digits.
[3, 1, 4] has 3 digits.
[7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1
[9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1
[0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 1 1. |
2952+1777 = | < scratch >
[2, 9, 5, 2] has 4 digits.
[1, 7, 7, 7] has 4 digits.
[2] + [7] , C = 0, 2 + 7 + 0 = 9, A ->9, C -> 0
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[2] + [1] , C = 0, 2 + 1 + 0 = 4, A ->4, C -> 0
</ scratch >
sum:4 7 2 9. |
627+283 = | < scratch >
[6, 2, 7] has 3 digits.
[2, 8, 3] has 3 digits.
[7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0
</ scratch >
sum:9 1 0. |
3085+36 = | < scratch >
[3, 0, 8, 5] has 4 digits.
[3, 6] has 2 digits.
[5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
[0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0
[3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0
</ scratch >
sum:3 1 2 1. |
6724+86 = | < scratch >
[6, 7, 2, 4] has 4 digits.
[8, 6] has 2 digits.
[4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1
[2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1
[7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
</ scratch >
sum:6 8 1 0. |
893+178 = | < scratch >
[8, 9, 3] has 3 digits.
[1, 7, 8] has 3 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1
[8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 7 1. |
9904+709 = | < scratch >
[9, 9, 0, 4] has 4 digits.
[7, 0, 9] has 3 digits.
[4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1
[0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0
[9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1
[9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 6 1 3. |
455+397 = | < scratch >
[4, 5, 5] has 3 digits.
[3, 9, 7] has 3 digits.
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
[4] + [3] , C = 0, 4 + 3 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 5 2. |
308+759 = | < scratch >
[3, 0, 8] has 3 digits.
[7, 5, 9] has 3 digits.
[8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1
[0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 6 7. |
8682+4360 = | < scratch >
[8, 6, 8, 2] has 4 digits.
[4, 3, 6, 0] has 4 digits.
[2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1
[8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1
</ scratch >
sum:1 3 0 4 2. |
5097+7795 = | < scratch >
[5, 0, 9, 7] has 4 digits.
[7, 7, 9, 5] has 4 digits.
[7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1
</ scratch >
sum:1 2 8 9 2. |
5347+3287 = | < scratch >
[5, 3, 4, 7] has 4 digits.
[3, 2, 8, 7] has 4 digits.
[7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1
[4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1
[3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0
[5] + [3] , C = 0, 5 + 3 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 6 3 4. |
9549+1339 = | < scratch >
[9, 5, 4, 9] has 4 digits.
[1, 3, 3, 9] has 4 digits.
[9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1
[4] + [3] , C = 0, 4 + 3 + 0 = 8, A ->8, C -> 0
[5] + [3] , C = 0, 5 + 3 + 0 = 8, A ->8, C -> 0
[9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 8 8 8. |
596+1349 = | < scratch >
[5, 9, 6] has 3 digits.
[1, 3, 4, 9] has 4 digits.
[6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[5] + [3] , C = 0, 5 + 3 + 0 = 9, A ->9, C -> 0
[0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0
</ scratch >
sum:1 9 4 5. |
384+4642 = | < scratch >
[3, 8, 4] has 3 digits.
[4, 6, 4, 2] has 4 digits.
[4] + [2] , C = 0, 4 + 2 + 0 = 6, A ->6, C -> 0
[8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1
[3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 0 2 6. |
5963+2998 = | < scratch >
[5, 9, 6, 3] has 4 digits.
[2, 9, 9, 8] has 4 digits.
[3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1
[6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1
[9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1
[5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 9 6 1. |
52+4974 = | < scratch >
[5, 2] has 2 digits.
[4, 9, 7, 4] has 4 digits.
[2] + [4] , C = 0, 2 + 4 + 0 = 6, A ->6, C -> 0
[5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, 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
</ scratch >
sum:5 0 2 6. |
956+9480 = | < scratch >
[9, 5, 6] has 3 digits.
[9, 4, 8, 0] has 4 digits.
[6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0
[5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1
[9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1
[0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 4 3 6. |
97+931 = | < scratch >
[9, 7] has 2 digits.
[9, 3, 1] has 3 digits.
[7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, 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 8. |
4833+5275 = | < scratch >
[4, 8, 3, 3] has 4 digits.
[5, 2, 7, 5] has 4 digits.
[3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0
[3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1
[8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1
[4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1
</ scratch >
sum:1 0 1 0 8. |
1057+6699 = | < scratch >
[1, 0, 5, 7] has 4 digits.
[6, 6, 9, 9] has 4 digits.
[7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
[0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0
[1] + [6] , C = 0, 1 + 6 + 0 = 7, A ->7, C -> 0
</ scratch >
sum:7 7 5 6. |
608+7546 = | < scratch >
[6, 0, 8] has 3 digits.
[7, 5, 4, 6] has 4 digits.
[8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1
[0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0
[6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1
[0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0
</ scratch >
sum:8 1 5 4. |
9217+2298 = | < scratch >
[9, 2, 1, 7] has 4 digits.
[2, 2, 9, 8] has 4 digits.
[7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1
[1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1
[2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0
[9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1
</ scratch >
sum:1 1 5 1 5. |
4966+641 = | < scratch >
[4, 9, 6, 6] has 4 digits.
[6, 4, 1] has 3 digits.
[6] + [1] , C = 0, 6 + 1 + 0 = 7, A ->7, C -> 0
[6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1
[9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1
[4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0
</ scratch >
sum:5 6 0 7. |
586+936 = | < scratch >
[5, 8, 6] has 3 digits.
[9, 3, 6] has 3 digits.
[6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1
[8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1
[5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 2 2. |
539+63 = | < scratch >
[5, 3, 9] has 3 digits.
[6, 3] has 2 digits.
[9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, 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 2. |
6857+8241 = | < scratch >
[6, 8, 5, 7] has 4 digits.
[8, 2, 4, 1] has 4 digits.
[7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, C -> 0
[5] + [4] , C = 0, 5 + 4 + 0 = 9, A ->9, C -> 0
[8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1
[6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1
</ scratch >
sum:1 5 0 9 8. |
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