1/a+1/b=1/(a+b) 求b/a+a/b的值化简求值 (2a)/(a²-4) +1/( 2-a) a=1/2(x+2y)/(x+y)+(2y²)/(x²-y²) x=-2 y=1/3
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/01 02:48:36
![1/a+1/b=1/(a+b) 求b/a+a/b的值化简求值 (2a)/(a²-4) +1/( 2-a) a=1/2(x+2y)/(x+y)+(2y²)/(x²-y²) x=-2 y=1/3](/uploads/image/z/1847631-39-1.jpg?t=1%2Fa%2B1%2Fb%3D1%2F%28a%2Bb%29+%E6%B1%82b%2Fa%2Ba%2Fb%E7%9A%84%E5%80%BC%E5%8C%96%E7%AE%80%E6%B1%82%E5%80%BC+%282a%29%2F%28a%26sup2%3B%EF%BC%8D4%29+%EF%BC%8B1%2F%28+2%EF%BC%8Da%29+a%EF%BC%9D1%2F2%28x%EF%BC%8B2y%29%2F%28x%2By%EF%BC%89%EF%BC%8B%282y%26sup2%3B%29%2F%28x%26sup2%3B%EF%BC%8Dy%26sup2%3B%29+x%EF%BC%9D-2+y%EF%BC%9D1%2F3)
xXRF~]uܴx3z)Nĵk1BI w3؆KJ_gc;t.s~gY^2tmT[g6n/N^H-&R@ﻕߖ͟Fi_SɄR$4)Al@7F*d̈0p dkT~ʨ\ˣ_F}y)?V~hGGJF{ԯ@zjZȦRTmjϷe Ta::fۚe"=S4SidYаalc"P i:s:53Xm0Z
@H,3F\jʒtu4S5Hs}eS,C;ա&50N긽 <ĎM{lE@3}lGB쵎vzw7:hԯ!0n:pJ=8
~