79 加法 56 等于多少？
79 + 56 = 135
79加法56 等于 135
竖式演算
验算
- 用减法验算：135 − 56 = 79
- 用减法验算：135 − 79 = 56
相关题目
79 + 55 = 134
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80 + 56 = 136
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9 × 15 = 135
15 × 9 = 135