72 加法 8 等于多少？
72 + 8 = 80
72加法8 等于 80
竖式演算
验算
- 用减法验算：80 − 8 = 72
- 用减法验算：80 − 72 = 8
相关题目
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72 + 11 = 83
72 + 5 = 77
72 + 12 = 84
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2 + 78 = 80
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81 - 1 = 80
80 × 1 = 80