48 加法 4 等于多少？
48 + 4 = 52
48加法4 等于 52
竖式演算
验算
- 用减法验算：52 − 4 = 48
- 用减法验算：52 − 48 = 4
相关题目
48 + 3 = 51
48 + 5 = 53
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48 + 6 = 54
48 + 1 = 49
48 + 7 = 55
48 + 8 = 56
48 + 9 = 57
47 + 4 = 51
49 + 4 = 53
46 + 4 = 50
50 + 4 = 54
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2 + 50 = 52
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96 + 61 = 157
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86 - 34 = 52