58 加法 80 等于多少？
58 + 80 = 138
58加法80 等于 138
竖式演算
验算
- 用减法验算：138 − 80 = 58
- 用减法验算：138 − 58 = 80
相关题目
58 + 79 = 137
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57 + 80 = 137
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35 + 36 = 71
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69 × 2 = 138
2 × 69 = 138