72 加法 7 等于多少？
72 + 7 = 79
72加法7 等于 79
竖式演算
验算
- 用减法验算：79 − 7 = 72
- 用减法验算：79 − 72 = 7
相关题目
72 + 6 = 78
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72 + 9 = 81
72 + 4 = 76
72 + 10 = 82
72 + 11 = 83
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73 + 7 = 80
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70 + 7 = 77
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2 + 77 = 79
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80 - 1 = 79