14 加法 21 等于多少？
14 + 21 = 35
14加法21 等于 35
竖式演算
验算
- 用减法验算：35 − 21 = 14
- 用减法验算：35 − 14 = 21
相关题目
14 + 20 = 34
14 + 22 = 36
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14 + 23 = 37
14 + 24 = 38
14 + 18 = 32
14 + 25 = 39
14 + 17 = 31
13 + 21 = 34
15 + 21 = 36
12 + 21 = 33
16 + 21 = 37
11 + 21 = 32
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2 + 33 = 35
3 + 32 = 35
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5 + 30 = 35
6 + 29 = 35
8 + 21 = 29
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100 + 90 = 190
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95 - 60 = 35