70 减法 42 等于多少?
70 - 42 = 28
70减法42 等于 28
竖式演算
验算
- 用加法验算:28 + 42 = 70
相关题目
70 - 41 = 29
70 - 43 = 27
70 - 40 = 30
70 - 44 = 26
70 - 39 = 31
70 - 45 = 25
70 - 38 = 32
70 - 46 = 24
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71 - 42 = 29
72 - 42 = 30
68 - 42 = 26
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30 - 2 = 28
31 - 3 = 28
32 - 4 = 28
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34 - 6 = 28
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80 - 28 = 52
91 - 57 = 34
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11 + 17 = 28
17 + 11 = 28