13 加法 72 等于多少？
13 + 72 = 85
13加法72 等于 85
竖式演算
验算
- 用减法验算：85 − 72 = 13
- 用减法验算：85 − 13 = 72
相关题目
13 + 71 = 84
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13 + 69 = 82
13 + 76 = 89
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14 + 72 = 86
11 + 72 = 83
15 + 72 = 87
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2 + 83 = 85
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45 + 34 = 79
17 + 52 = 69
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24 + 64 = 88
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93 - 8 = 85