52 加法 4 等于多少？
52 + 4 = 56
52加法4 等于 56
竖式演算
验算
- 用减法验算：56 − 4 = 52
- 用减法验算：56 − 52 = 4
相关题目
52 + 3 = 55
52 + 5 = 57
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52 + 6 = 58
52 + 1 = 53
52 + 7 = 59
52 + 8 = 60
52 + 9 = 61
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53 + 4 = 57
50 + 4 = 54
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2 + 54 = 56
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66 + 13 = 79
10 + 47 = 57
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21 + 18 = 39
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87 - 31 = 56