31 加法 74 等于多少？
31 + 74 = 105
31加法74 等于 105
竖式演算
验算
- 用减法验算：105 − 74 = 31
- 用减法验算：105 − 31 = 74
相关题目
31 + 73 = 104
31 + 75 = 106
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31 + 77 = 108
31 + 71 = 102
31 + 78 = 109
31 + 70 = 101
30 + 74 = 104
32 + 74 = 106
29 + 74 = 103
33 + 74 = 107
28 + 74 = 102
34 + 74 = 108
35 + 74 = 109
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6 + 99 = 105
7 + 98 = 105
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10 + 95 = 105
30 + 82 = 112
45 + 83 = 128
81 + 77 = 158
60 + 93 = 153
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21 × 5 = 105
15 × 7 = 105