(2x-3)(2x-3)-5(2x-3)+6=0大神们帮帮忙
(2x-3)(2x-3)-5(2x-3)+6=0大神们帮帮忙
X/2-5X+11/6=1+2X-4/3大神们帮帮忙
解方程组2/(X+3)+6/(X-9)=1/(X-3)大神们帮帮忙
求导y=(x+1)(x+2)(x+3)(x+4)的导数大神们帮帮忙
2(x+y)-3(x-y) =1 6(x+y)+7(x-y)=51大神们帮帮忙
x+3x=2*(x+300)怎么解大神们帮帮忙
求Y=2X+4X-7/X+2X+3的值域大神们帮帮忙
已知f(x)=x+1/x-3 解不等式f(x)大于等于2的解题大神们帮帮忙
解方程(x加2)(x加3)等于x加14大神们帮帮忙
若3(X-Y)=2(X+Y),且X不等于0,则X/Y+Y/X的值为多少大神们帮帮忙
(-2x^2)^3*(-2x)^3-x^3大神们帮帮忙
求y=1/x-3 +x (x>3)的最小值大神们帮帮忙