49 加法 82 等于多少？
49 + 82 = 131
49加法82 等于 131
竖式演算
验算
- 用减法验算：131 − 82 = 49
- 用减法验算：131 − 49 = 82
相关题目
49 + 83 = 132
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48 + 82 = 130
50 + 82 = 132
47 + 82 = 129
51 + 82 = 133
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