4 加法 8 等于多少?
4 + 8 = 12
4加法8 等于 12
竖式演算
验算
- 用减法验算:12 − 8 = 4
- 用减法验算:12 − 4 = 8
相关题目
4 + 7 = 11
4 + 9 = 13
4 + 6 = 10
4 + 10 = 14
4 + 11 = 15
4 + 5 = 9
4 + 12 = 16
4 + 4 = 8
3 + 8 = 11
5 + 8 = 13
2 + 8 = 10
6 + 8 = 14
1 + 8 = 9
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8 + 8 = 16
9 + 8 = 17
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2 + 10 = 12
3 + 9 = 12
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73 + 18 = 91
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24 - 12 = 12