数学题:小雨家有6个从里面量得底面积是302
- 时间:2020-04-19 17:13:52
- 分类:数学世界
- 阅读:152 次
数学题:小雨家有6个从里面量得底面积是30cm2、高10CM的圆柱形水杯,沏一壶茶能倒满4杯。有一天来了6位客人,如果让6位客人都能喝上这壶茶水,平均每杯倒多少毫升?
解答:要算平均每杯倒多少毫升(肯定不满),需要先算出这壶茶水有多少毫升。而一壶茶水能倒满4杯,可以先算出一满杯的容量(底面积乘高即可)。
过程:
一满杯的容量(容积):30×10=300(mL)——依据是V=Sh
一壶茶的容量(容积):300×4=1200(mL)—–4满杯即是一壶茶水
平均每杯倒多少毫升:1200÷6=200(mL)——一壶茶水平均分成6份。
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