47 加法 82 等于多少？
47 + 82 = 129
47加法82 等于 129
竖式演算
验算
- 用减法验算：129 − 82 = 47
- 用减法验算：129 − 47 = 82
相关题目
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46 + 82 = 128
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3 × 43 = 129
43 × 3 = 129