x-1/0.5=0.5x-4/0.25

求x:|x|-|x-4|=0.5x-1 x=1+0.5x+0.25x+0.125x+0.0625x求x的值 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 先化简再求值先化简再求值：（x-x/x+1）(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5 (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 4X+0.5X=13.5X 12x-2/21x=快点9点之前还有7x-x+2/3x-3(4x-0.5)-2x+(3x-1)-(x+5) (X-4)(x-2)-2(X-1)(X+3)其中X=-0.5 x+x+0.5=4 x-1/0.5=0.5x-4/0.25 解方程：0.25x-4分之1=x+0.5 1-x/0.25-0.5x/2=4 解方程 x-2=(104-x)+2 6x-59=10x-75 (x+10)+(x-15)=280-x4（x-62)=x-38 60x-40=(60+20)*(x-5) 32x+32*0.5-25x+64x=24x+496-49x x+15=3*(109-x ) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7) 13x-4(2x+5)=17(x-2)-4(2x-1) (13x+8)/3=5x-1x-60=2[(3561-x)+100]+1 (x+9)+12=2[(x-9)-1 (0.5x+1)+(0.25x+0.5)+(0.125x+2.25)=x怎么解, 0.5x(x+45)=38 6(3x-2)-4(4x-3)=1 30%x+0.5x=1/4x+8/5x=多少 30%x+0.5x=1/4x+8/5x=多少