30 加法 82 等于多少？
30 + 82 = 112
30加法82 等于 112
竖式演算
验算
- 用减法验算：112 − 82 = 30
- 用减法验算：112 − 30 = 82
相关题目
30 + 83 = 113
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29 + 82 = 111
31 + 82 = 113
28 + 82 = 110
32 + 82 = 114
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4 × 28 = 112