> 数学 >
X-3分之3-x+4-X分之1等于1帮忙解1下
人气:254 ℃ 时间:2020-04-18 02:04:43
解答
(3-x)/(x-3)+1/(4-x)=1
-(x-3)/(x-3)+1/(4-x)=1
-1+1/(4-x)=1
1/(4-x)=2
1=8-2x
2x=8-1
x=3.5
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版