4 加法 12 等于多少?
4 + 12 = 16
4加法12 等于 16
竖式演算
验算
- 用减法验算:16 − 12 = 4
- 用减法验算:16 − 4 = 12
相关题目
4 + 11 = 15
4 + 13 = 17
4 + 10 = 14
4 + 14 = 18
4 + 15 = 19
4 + 9 = 13
4 + 16 = 20
4 + 8 = 12
3 + 12 = 15
5 + 12 = 17
2 + 12 = 14
6 + 12 = 18
1 + 12 = 13
7 + 12 = 19
8 + 12 = 20
9 + 12 = 21
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2 + 14 = 16
3 + 13 = 16
5 + 11 = 16
6 + 10 = 16
7 + 9 = 16
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4 + 34 = 38
62 + 25 = 87
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2 + 52 = 54
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85 - 69 = 16