85 加法 50 等于多少？
85 + 50 = 135
85加法50 等于 135
竖式演算
验算
- 用减法验算：135 − 50 = 85
- 用减法验算：135 − 85 = 50
相关题目
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15 × 9 = 135
9 × 15 = 135