國一數學功課不會...........15點 - 酒精
By Sierra Rose
at 2014-05-03T00:00
at 2014-05-03T00:00
Table of Contents
比例式(先列式子再算答案):1.為了防範流感,小明想要製作簡易的乾洗手以供家人消毒用,且每100毫公升的乾洗手含藥用酒精75毫公升.若他現在想要製作2公升的乾洗手,試問他需要多少毫公升的要用酒精?2.已知a:b=5:3,求下列各比的比值(1)3a:4b(2)(a+3b):(2a-b)(3)a2:b23.甲'乙兩個杯子各裝不同量的水,若把甲杯中1/4�
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酒精
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By Hamiltion
at 2014-05-07T00:51
at 2014-05-07T00:51
By Leila
at 2014-05-07T05:31
at 2014-05-07T05:31
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