74 加法 6 等于多少？
74 + 6 = 80
74加法6 等于 80
竖式演算
验算
- 用减法验算：80 − 6 = 74
- 用减法验算：80 − 74 = 6
相关题目
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74 + 9 = 83
74 + 2 = 76
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2 + 78 = 80
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