50 加法 69 等于多少？
50 + 69 = 119
50加法69 等于 119
竖式演算
验算
- 用减法验算：119 − 69 = 50
- 用减法验算：119 − 50 = 69
相关题目
50 + 68 = 118
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49 + 69 = 118
51 + 69 = 120
48 + 69 = 117
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17 × 7 = 119
7 × 17 = 119