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数学
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一台拖拉机,它的后轮的直径是前轮直径的2倍,后轮准动8周,前轮转动?
列式结果!
人气:315 ℃ 时间:2020-05-19 03:27:15
解答
一台拖拉机,它的后轮的直径是前轮直径的2倍,后轮准动8周,前轮转动(8*4)32周!
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