17 加法 50 等于多少？
17 + 50 = 67
17加法50 等于 67
竖式演算
验算
- 用减法验算：67 − 50 = 17
- 用减法验算：67 − 17 = 50
相关题目
17 + 49 = 66
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17 + 47 = 64
17 + 53 = 70
17 + 46 = 63
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16 + 50 = 66
18 + 50 = 68
15 + 50 = 65
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2 + 65 = 67
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95 - 28 = 67