50 加法 85 等于多少？
50 + 85 = 135
50加法85 等于 135
竖式演算
验算
- 用减法验算：135 − 85 = 50
- 用减法验算：135 − 50 = 85
相关题目
50 + 84 = 134
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45 × 3 = 135