22 加法 47 等于多少？
22 + 47 = 69
22加法47 等于 69
竖式演算
验算
- 用减法验算：69 − 47 = 22
- 用减法验算：69 − 22 = 47
相关题目
22 + 46 = 68
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23 + 47 = 70
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