73 加法 2 等于多少？
73 + 2 = 75
73加法2 等于 75
竖式演算
验算
- 用减法验算：75 − 2 = 73
- 用减法验算：75 − 73 = 2
相关题目
73 + 1 = 74
73 + 3 = 76
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73 + 5 = 78
73 + 6 = 79
73 + 7 = 80
73 + 8 = 81
73 + 9 = 82
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72 + 2 = 74
75 + 2 = 77
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