3÷x=1.5
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6(x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5)÷3=1.7 x=5(x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x=
3.5x-1.5x=3.5-x 解方程3.5x-1.5x=3.5-x 解方程x=3.5÷3 除不尽啊
先化简,后求值:[(x-y)²+(x+y)(x-y)]÷2x,其中x=3,y=1.5
3X*X-2X+6=8,X=?3X*X-2X+6=8,X=?则代数式1.5X*X-X+1=?
X×X-3X+1=0求分式X×X÷〈X×X×X×X+3X×X+1〉
X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x)
x+0.3=1.8 x-1.5=4 5x=1.5 x÷1.1=3 3+x=5.4 x-6x+0.3=1.8 x-1.5=4 5x=1.5x÷1.1=33+x=5.4 x-6=7.60.2x=6 x÷5=15
解方程 4x-5×6=12 8x-3x=15.630×(x÷4)=60 7.2×0.5-3x=1.2 1.5x+x=12.5 5x+21×3=2x
化简求值 [(x-y^2)+(x+y)(x-y)]÷2x.[(x-y^2)+(x+y)(x-y)]÷2x.化简求值 x=3 y=1.5
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
3÷x=1.5
4(3.1-x)=2.2x,12-2x=1.5x+5,x÷2+6.25=3x(一共3题,方程与过程)
化简求值:(3x/x+2-x/x-2)÷2x/x^2-4,x=-3
x=根号3时,代数式(x/x-1-x/x+1)÷2x/1-x的值是?
先化简,再计算2x^-18/4-4x+x^ ÷ 3-x/x^+x-6,其中x=4