初一英语题目大神快来解答,速度回复,好评,无意义灌水的,踢到太平洋去!

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初一英语题目大神快来解答,速度回复,好评,无意义灌水的,踢到太平洋去!~


数理答疑团为您解答,希望对你有所帮助。

(1)3/5 *15 -8 =1
3/5 *(-5) -8 = -11 ≠ 1
所以:x=15是解,x= -5不是解

(2)(2* 1/4 -1)/3 - (10* 1/4 +1)/6 = -3/4
(2* 1/4 +1)/4 -1 = -5/5≠ -3/4

(2* 1/6 -1)/3 - (10* 1/6 +1)/6 = -2/3
(2* 1/6 +1)/4 -1 = -2/3
所以:x=1/6是解,x= 1/4不是解.


祝你学习进步,更上一层楼! (*^__^*)




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