2x÷0.03+0.25-0.1x÷0.02=0.1
5.5÷(x+2)=0.1 求x等于多少
14.5-2(x+3)÷5=0.5x÷0.1-(0.4x-2.8)÷0.6
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4
解方程:0.03分支2X + 0.02分支0.25-0.1X =0.1
[x(x-y)-y(x-y)+(x+y)(x-y)]÷2x其中x=2012 y=2013
求未知数x的值(x+4)÷5=61.2×(x+5)=14.44.2x÷1.6-14=0.175(10-7.5)x=0.1
2x/0.03+0.25-0.1x/0.02=12.5的解,
解方程:1、x÷15+0.4=x÷12-0.1 2、x+x÷3+2x-30=180 3、12÷x+18÷x=10
先化简再求值:x^3-2x^2+4x/x^2-4x+4÷x^2-2x+4/x-2,其中x=4
已知(x-根号2+1)(x-2)=0,求代数式[(x-1)/(x-3)-(x-4)/x]÷(x^2+x-6)/(x^2+
先化简再求值:(x+2/x²-2x - x-1/x²-4x+4)÷ x-4/x,其中x=3/2