每小时走 5/16÷5=1/16
还需要 (1-5/16)x16=11小时
答 还要11小时还要一种方法?
甲乙两地相距960千米,一列火车从甲地开往乙地,5小时行了全程的5/16.照这样计算,余下路程还要行几小时
甲乙两地相距960千米,一列火车从甲地开往乙地,5小时行了全程的5/16.照这样计算,余下路程还要行几小时
数学人气:338 ℃时间:2019-08-21 05:28:48
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