> 数学 >
因式分解:a+2/a+1-a+3/a+2-a-4/a-36+a-5/a-4
人气:152 ℃ 时间:2020-02-04 00:28:11
解答
1.(a+2)/(a+1)-(a+3)/(a+2)=1/(a+1)(a+2),(a-4)/(a-3)-(a-5)/(a-4)=1/(a-3)(a-4).所以原式=1/(a+1)(a+2)-1/(a-3)(a-4)=-10(a+1)/(a+1)(a+2)(a-3)(a-4)=-10/(a+2)(a-3)(a-4)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版