11 加法 47 等于多少？
11 + 47 = 58
11加法47 等于 58
竖式演算
验算
- 用减法验算：58 − 47 = 11
- 用减法验算：58 − 11 = 47
相关题目
11 + 46 = 57
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12 + 47 = 59
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2 + 56 = 58
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