45 加法 33 等于多少？
45 + 33 = 78
45加法33 等于 78
竖式演算
验算
- 用减法验算：78 − 33 = 45
- 用减法验算：78 − 45 = 33
相关题目
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44 + 33 = 77
46 + 33 = 79
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