15 加法 72 等于多少？
15 + 72 = 87
15加法72 等于 87
竖式演算
验算
- 用减法验算：87 − 72 = 15
- 用减法验算：87 − 15 = 72
相关题目
15 + 71 = 86
15 + 73 = 88
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15 + 75 = 90
15 + 69 = 84
15 + 76 = 91
15 + 68 = 83
14 + 72 = 86
16 + 72 = 88
13 + 72 = 85
17 + 72 = 89
12 + 72 = 84
18 + 72 = 90
11 + 72 = 83
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1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
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21 + 53 = 74
14 + 21 = 35
81 + 13 = 94
52 + 13 = 65
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88 - 1 = 87