还没有登录哦!

[Problem Solving]

试题详情

题目:

Company S produces two kinds of stereos:  basic and deluxe.  Of the stereos produced by Company S last month,  2/3 were basic and the rest were deluxe.  If it takes 7/5 as many hours to produce a deluxe stereo as it does to produce a basic stereo, then the number of hours it took to produce the deluxe stereos last month was what fraction of the total number of hours it took to produce all the stereos?N

选项:

A、
B、
C、
D、
E、

答案:

A

提问:

老师,这题看不懂题目。之前的录音貌似也听不了。 如果考场碰到这种读的乱七八糟的题目怎么办?谢谢

解答:

点赞0
阅读2901
解答: sysadmin

提问:

老师,这种比例的问题永远转不出来,一直栽在这里,请问做这种比例题有什么好的方法吗?(非常绝望了)

解答:

点赞0
阅读3026
解答: 徐小梅老师

提问:

ps

解答:

点赞0
阅读2850
解答: sysadmin老师

提问:

数学,听录音听的不太明白,还是算不出答案

解答:

点赞0
阅读2836
解答: sysadmin老师

提问:

老师,这题看不懂题目。之前的录音貌似也听不了。 如果考场碰到这种读的乱七八糟的题目怎么办?谢谢

解答:

点赞0
阅读2902
解答: sysadmin老师

问个问题

点我领取
免费专项课程
在线咨询