4 加法 28 等于多少？
4 + 28 = 32
4加法28 等于 32
竖式演算
验算
- 用减法验算：32 − 28 = 4
- 用减法验算：32 − 4 = 28
相关题目
4 + 29 = 33
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4 + 26 = 30
4 + 31 = 35
4 + 25 = 29
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4 + 24 = 28
3 + 28 = 31
5 + 28 = 33
2 + 28 = 30
6 + 28 = 34
1 + 28 = 29
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8 + 28 = 36
9 + 28 = 37
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2 + 30 = 32
3 + 29 = 32
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6 + 26 = 32
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68 + 19 = 87
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