45 加法 70 等于多少？
45 + 70 = 115
45加法70 等于 115
竖式演算
验算
- 用减法验算：115 − 70 = 45
- 用减法验算：115 − 45 = 70
相关题目
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44 + 70 = 114
46 + 70 = 116
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23 × 5 = 115
5 × 23 = 115