11 加法 88 等于多少？
11 + 88 = 99
11加法88 等于 99
竖式演算
验算
- 用减法验算：99 − 88 = 11
- 用减法验算：99 − 11 = 88
相关题目
11 + 87 = 98
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12 + 88 = 100
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9 + 88 = 97
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1 × 99 = 99
99 × 1 = 99