83 加法 57 等于多少？
83 + 57 = 140
83加法57 等于 140
竖式演算
验算
- 用减法验算：140 − 57 = 83
- 用减法验算：140 − 83 = 57
相关题目
83 + 56 = 139
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2 × 70 = 140
20 × 7 = 140