10 加法 18 等于多少？
10 + 18 = 28
10加法18 等于 28
竖式演算
验算
- 用减法验算：28 − 18 = 10
- 用减法验算：28 − 10 = 18
相关题目
10 + 17 = 27
10 + 19 = 29
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10 + 21 = 31
10 + 15 = 25
10 + 22 = 32
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9 + 18 = 27
12 + 18 = 30
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