79 加法 50 等于多少？
79 + 50 = 129
79加法50 等于 129
竖式演算
验算
- 用减法验算：129 − 50 = 79
- 用减法验算：129 − 79 = 50
相关题目
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43 × 3 = 129
3 × 43 = 129