49 加法 24 等于多少？
49 + 24 = 73
49加法24 等于 73
竖式演算
验算
- 用减法验算：73 − 24 = 49
- 用减法验算：73 − 49 = 24
相关题目
49 + 23 = 72
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50 + 24 = 74
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2 + 71 = 73
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