乙袋还剩:
1-1/4=3/4
乙袋有米:
10÷(3/4-1/4)=20(千克)
❤您的问题已经被解答~(>^ω^讲解!!!1-1/4=3/4 这是比例,还剩3/4,减掉1/4,就是一半,所以除以1/2=乘1/2听不懂!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!以下都为比例: 乙袋还剩:1-1/4=3/4 3/4-1/4= 两袋米就一样重 10kg有50%,所以共有20kg
有甲乙两袋米,甲袋装米重10千克,如果从乙袋中倒出四分之一给甲袋,两袋米就一样重.
有甲乙两袋米,甲袋装米重10千克,如果从乙袋中倒出四分之一给甲袋,两袋米就一样重.
乙袋米原来重多少?不能用方程!
乙袋米原来重多少?不能用方程!
数学人气:433 ℃时间:2020-02-05 18:43:28
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