a^2n 1-4a^2n 4a^2n-1/a^n 1 a^n-6a^n-1
问题描述:
a^2n 1-4a^2n 4a^2n-1/a^n 1 a^n-6a^n-1
1+1/2+1/3+1/x
若2x-3y=0,求1/2xy/x^2+y^2-y^2/2x^2-y^2的值
答
哥们,你的题目给错啦
a^2n 1-4a^2n 4a^2n-1/a^n 1 a^n-6a^n-1
1+1/2+1/3+1/x
若2x-3y=0,求1/2xy/x^2+y^2-y^2/2x^2-y^2的值
哥们,你的题目给错啦