11 加法 11 等于多少？
11 + 11 = 22
11加法11 等于 22
竖式演算
验算
- 用减法验算：22 − 11 = 11
- 用减法验算：22 − 11 = 11
相关题目
11 + 10 = 21
11 + 12 = 23
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11 + 8 = 19
11 + 15 = 26
11 + 7 = 18
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9 + 11 = 20
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2 + 20 = 22
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50 - 28 = 22