65 加法 3 等于多少？
65 + 3 = 68
65加法3 等于 68
竖式演算
验算
- 用减法验算：68 − 3 = 65
- 用减法验算：68 − 65 = 3
相关题目
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65 + 7 = 72
65 + 8 = 73
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