18 加法 27 等于多少？
18 + 27 = 45
18加法27 等于 45
竖式演算
验算
- 用减法验算：45 − 27 = 18
- 用减法验算：45 − 18 = 27
相关题目
18 + 26 = 44
18 + 28 = 46
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18 + 25 = 43
18 + 30 = 48
18 + 24 = 42
18 + 31 = 49
18 + 23 = 41
17 + 27 = 44
19 + 27 = 46
20 + 27 = 47
16 + 27 = 43
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2 + 43 = 45
3 + 42 = 45
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5 + 40 = 45
6 + 39 = 45
74 + 6 = 80
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33 + 70 = 103
16 + 35 = 51
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66 - 21 = 45
62 - 17 = 45