70 加法 45 等于多少？
70 + 45 = 115
70加法45 等于 115
竖式演算
验算
- 用减法验算：115 − 45 = 70
- 用减法验算：115 − 70 = 45
相关题目
70 + 44 = 114
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23 × 5 = 115
5 × 23 = 115