70 加法 49 等于多少？
70 + 49 = 119
70加法49 等于 119
竖式演算
验算
- 用减法验算：119 − 49 = 70
- 用减法验算：119 − 70 = 49
相关题目
70 + 48 = 118
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70 + 52 = 122
70 + 53 = 123
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69 + 49 = 118
71 + 49 = 120
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17 × 7 = 119
7 × 17 = 119