一瓶牛奶的容量是二升,红红每天喝400ml牛奶,喝了四...
http://zhidao.baidu.com/question/561159155285593772.html?fr=iks&word=%D2%BB%B9%B216%C6%BF%C5%A3%C4%CC%2C%C9%CF%B8%F6%D0%C7%C6%DA%D2%BB%CC%EC%BA%C8%D2%BB%C6%BF%2C%BB%B9%CA%A3%B6%E0%C9%D9%C6%BF&ie=gbk ——百度知道
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答:因为单位不同,需要先换算一下。二升=2000ml,红红每天喝400ml,四天一共喝了1600ml,所以还剩下400ml