77 加法 42 等于多少？
77 + 42 = 119
77加法42 等于 119
竖式演算
验算
- 用减法验算：119 − 42 = 77
- 用减法验算：119 − 77 = 42
相关题目
77 + 41 = 118
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77 + 45 = 122
77 + 38 = 115
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76 + 42 = 118
78 + 42 = 120
75 + 42 = 117
79 + 42 = 121
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20 + 99 = 119
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17 × 7 = 119
7 × 17 = 119