23 加法 80 等于多少？
23 + 80 = 103
23加法80 等于 103
竖式演算
验算
- 用减法验算：103 − 80 = 23
- 用减法验算：103 − 23 = 80
相关题目
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22 + 80 = 102
24 + 80 = 104
21 + 80 = 101
25 + 80 = 105
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4 + 99 = 103
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72 + 43 = 115
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