5×60%=3(千克),
5×(1-60%),
=5×0.4,
=2(千克).
答:需要盐3千克,水2千克.
故答案为:3,2.
要配制60%的盐水5千克,需要盐_千克,水_千克.
要配制60%的盐水5千克,需要盐______千克,水______千克.
数学人气:103 ℃时间:2019-10-17 02:54:53
优质解答
我来回答
类似推荐
猜你喜欢
- 1The girl is siting between her mother and father.改错
- 2从集合A={1,3,5,7,9}中取三个元素,从集合B={2,4,6,8}中取两个元素组成五重复的五位数其中偶数有?
- 3已知等比数列{an}的通项公式an=3*(1/2)^(n-1)且:bn=a(3n-2)+a(3n-1)+a(3n),求证:数列
- 4已知-2x的3m+1次方*y的2n次方与7x的6-n次方*y的3-m次方的积和x的11次方y的5次方着急 着急!
- 5I (have gone) (to) beijing (at least )(three times)那个错 A B C D
- 6求函数log2分之1 (x的平分-6x+17)的定义域,值域,单调区间
- 7钱塘湖春行描写了西湖怎样的景象?表达了是人游西湖时怎样得心情?
- 8在( )里填读音是yi(第四声)的字
- 9With the help of the government ,a large number of people survive after the flood in 1991.
- 10等边△ABC的边长为a,求其内切圆的内接正方形DEFG的面积.