59 加法 12 等于多少？
59 + 12 = 71
59加法12 等于 71
竖式演算
验算
- 用减法验算：71 − 12 = 59
- 用减法验算：71 − 59 = 12
相关题目
59 + 11 = 70
59 + 13 = 72
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59 + 15 = 74
59 + 9 = 68
59 + 16 = 75
59 + 8 = 67
58 + 12 = 70
60 + 12 = 72
57 + 12 = 69
61 + 12 = 73
56 + 12 = 68
62 + 12 = 74
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2 + 69 = 71
3 + 68 = 71
4 + 67 = 71
5 + 66 = 71
6 + 65 = 71
43 + 38 = 81
46 + 82 = 128
40 + 86 = 126
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100 - 29 = 71