48 加法 9 等于多少？
48 + 9 = 57
48加法9 等于 57
竖式演算
验算
- 用减法验算：57 − 9 = 48
- 用减法验算：57 − 48 = 9
相关题目
48 + 8 = 56
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48 + 7 = 55
48 + 12 = 60
48 + 6 = 54
48 + 13 = 61
48 + 5 = 53
47 + 9 = 56
49 + 9 = 58
46 + 9 = 55
50 + 9 = 59
51 + 9 = 60
45 + 9 = 54
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2 + 55 = 57
3 + 54 = 57
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6 + 51 = 57
90 + 24 = 114
5 + 35 = 40
91 + 11 = 102
67 + 17 = 84
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80 - 23 = 57