72 加法 50 等于多少？
72 + 50 = 122
72加法50 等于 122
竖式演算
验算
- 用减法验算：122 − 50 = 72
- 用减法验算：122 − 72 = 50
相关题目
72 + 49 = 121
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72 + 53 = 125
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71 + 50 = 121
73 + 50 = 123
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70 + 50 = 120
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61 × 2 = 122
2 × 61 = 122