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英语翻译
Michael travelled 5/2(五分之二)of his journey at 50km/h.The next 1/5(五分之一)of his journey he travelled at 40km/h.The remianing 40km he covered in half an hour.How much time did he take for the whole journey?
人气:449 ℃ 时间:2020-02-02 17:10:32
解答
100Km剩下的五分之二的路程是40km 用40除以五分无二
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