甲地到乙地全程是48KM,小宏骑自行车1时15分行完全程的8/5,照这样计算,行完全程要几小时?
甲地到乙地全程是48KM,小宏骑自行车1时15分行完全程的8/5,照这样计算,行完全程要几小时?
数学人气:808 ℃时间:2019-09-26 15:33:28
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