17 加法 29 等于多少?
17 + 29 = 46
17加法29 等于 46
竖式演算
验算
- 用减法验算:46 − 29 = 17
- 用减法验算:46 − 17 = 29
相关题目
17 + 28 = 45
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16 + 29 = 45
18 + 29 = 47
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