50 加法 27 等于多少？
50 + 27 = 77
50加法27 等于 77
竖式演算
验算
- 用减法验算：77 − 27 = 50
- 用减法验算：77 − 50 = 27
相关题目
50 + 26 = 76
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50 + 30 = 80
50 + 24 = 74
50 + 31 = 81
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51 + 27 = 78
48 + 27 = 75
52 + 27 = 79
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2 + 75 = 77
3 + 74 = 77
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34 + 13 = 47
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88 - 11 = 77