31 加法 51 等于多少？
31 + 51 = 82
31加法51 等于 82
竖式演算
验算
- 用减法验算：82 − 51 = 31
- 用减法验算：82 − 31 = 51
相关题目
31 + 50 = 81
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31 + 53 = 84
31 + 48 = 79
31 + 54 = 85
31 + 47 = 78
31 + 55 = 86
30 + 51 = 81
32 + 51 = 83
29 + 51 = 80
33 + 51 = 84
28 + 51 = 79
34 + 51 = 85
35 + 51 = 86
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2 + 80 = 82
3 + 79 = 82
4 + 78 = 82
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6 + 76 = 82
25 + 33 = 58
52 + 16 = 68
16 + 32 = 48
3 + 31 = 34
43 + 6 = 49
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84 - 2 = 82