18 加法 4 等于多少？
18 + 4 = 22
18加法4 等于 22
竖式演算
验算
- 用减法验算：22 − 4 = 18
- 用减法验算：22 − 18 = 4
相关题目
18 + 3 = 21
18 + 5 = 23
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18 + 6 = 24
18 + 1 = 19
18 + 7 = 25
18 + 8 = 26
18 + 9 = 27
17 + 4 = 21
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2 + 20 = 22
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50 + 86 = 136
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66 - 44 = 22