5/6-(0.03x-0.01)/0.05=8/15-(0.2x-0.1)/0.2

解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4 5X-1/5=0.2+3X 3(6x-7)=15x+12 5(x-8)=3x 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550 已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2 x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? 2- 6分之x+5=x- 3分之x-1 ,0.03分之0.1-0.2x-1=0.4分之0.7-x 怎么解方程!急 2分之1(2x+5)=4分之4x+3-8分之2-3x 0.4x+0.1-0.04分之0.01-0.2x=5.75 (2x^-5x+2/6x^+13x+6)*(6x^-5x-6/6x^-17x+10)*(12x^+8x-15/2x^-x 15－（7－4x）=2x＋(5－2x) 4分之X减8分之3X减1＝1 0.7分之X－0.03分之0.17-0.2X＝1 18%x+32%x=2 x+20%x=2.4 x+5%x=4.2 15%x+35%x=0.2