69 加法 50 等于多少？
69 + 50 = 119
69加法50 等于 119
竖式演算
验算
- 用减法验算：119 − 50 = 69
- 用减法验算：119 − 69 = 50
相关题目
69 + 49 = 118
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7 × 17 = 119