3x-1=0.5,求x

3x-1=0.5,求x (x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x x-2/0.2-x+1/0.5=3求x x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x 求x:|x|-|x-4|=0.5x-1 1/3x=x-240 x=?求x x*x+3x+1 =5 求x 已知3x*x-x=1,求6x*x*x+7x*x-5x+2000 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X x=1+0.5x+0.25x+0.125x+0.0625x求x的值 已知x*x-3x+1=0求√(x*x+1/x-2)=? (x+1)(x-1)+2x(x+2)=3(x的平方+1),求X. 已知x^-x-1=0,求x^4+x^3-x^2-4x+3 求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13 求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13 y=(2x*x-2x+3)/(x*x-x+1),求值域? 2(3-x)=9 求x 4(x+0.5)+x=17求x 已知x=1/x,求x^2-6x+9/x-3/x+3/x^2+6x+9