27 加法 45 等于多少?
27 + 45 = 72
27加法45 等于 72
竖式演算
验算
- 用减法验算:72 − 45 = 27
- 用减法验算:72 − 27 = 45
相关题目
27 + 44 = 71
27 + 46 = 73
27 + 47 = 74
27 + 43 = 70
27 + 48 = 75
27 + 42 = 69
27 + 49 = 76
27 + 41 = 68
26 + 45 = 71
28 + 45 = 73
29 + 45 = 74
25 + 45 = 70
30 + 45 = 75
24 + 45 = 69
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2 + 70 = 72
3 + 69 = 72
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78 + 9 = 87
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