39 加法 87 等于多少？
39 + 87 = 126
39加法87 等于 126
竖式演算
验算
- 用减法验算：126 − 87 = 39
- 用减法验算：126 − 39 = 87
相关题目
39 + 86 = 125
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39 + 90 = 129
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38 + 87 = 125
40 + 87 = 127
37 + 87 = 124
41 + 87 = 128
42 + 87 = 129
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27 + 99 = 126
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56 + 56 = 112
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6 × 21 = 126
7 × 18 = 126