49 加法 52 等于多少？
49 + 52 = 101
49加法52 等于 101
竖式演算
验算
- 用减法验算：101 − 52 = 49
- 用减法验算：101 − 49 = 52
相关题目
49 + 51 = 100
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48 + 52 = 100
50 + 52 = 102
47 + 52 = 99
51 + 52 = 103
46 + 52 = 98
52 + 52 = 104
53 + 52 = 105
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