11 加法 68 等于多少？
11 + 68 = 79
11加法68 等于 79
竖式演算
验算
- 用减法验算：79 − 68 = 11
- 用减法验算：79 − 11 = 68
相关题目
11 + 67 = 78
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12 + 68 = 80
13 + 68 = 81
9 + 68 = 77
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2 + 77 = 79
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