8 加法 22 等于多少？
8 + 22 = 30
8加法22 等于 30
竖式演算
验算
- 用减法验算：30 − 22 = 8
- 用减法验算：30 − 8 = 22
相关题目
8 + 21 = 29
8 + 23 = 31
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8 + 24 = 32
8 + 19 = 27
8 + 25 = 33
8 + 26 = 34
8 + 18 = 26
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9 + 22 = 31
6 + 22 = 28
10 + 22 = 32
11 + 22 = 33
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2 + 28 = 30
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6 + 24 = 30
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44 + 91 = 135
92 + 74 = 166
90 + 67 = 157
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