30 加法 85 等于多少？
30 + 85 = 115
30加法85 等于 115
竖式演算
验算
- 用减法验算：115 − 85 = 30
- 用减法验算：115 − 30 = 85
相关题目
30 + 84 = 114
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29 + 85 = 114
31 + 85 = 116
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23 × 5 = 115
5 × 23 = 115