8 加法 73 等于多少？
8 + 73 = 81
8加法73 等于 81
竖式演算
验算
- 用减法验算：81 − 73 = 8
- 用减法验算：81 − 8 = 73
相关题目
8 + 74 = 82
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8 + 70 = 78
8 + 77 = 85
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7 + 73 = 80
9 + 73 = 82
6 + 73 = 79
10 + 73 = 83
11 + 73 = 84
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2 + 79 = 81
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39 + 14 = 53
72 + 19 = 91
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99 - 18 = 81