15 加法 33 等于多少？
15 + 33 = 48
15加法33 等于 48
竖式演算
验算
- 用减法验算：48 − 33 = 15
- 用减法验算：48 − 15 = 33
相关题目
15 + 32 = 47
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15 + 35 = 50
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15 + 36 = 51
15 + 29 = 44
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14 + 33 = 47
16 + 33 = 49
13 + 33 = 46
17 + 33 = 50
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2 + 46 = 48
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