x÷3.5+10.8=52.8 x=?
x÷3.5+10.8=52.8 x=?
(X+X)+(X-X)+(X*X)+(X/X)=100
解方程 3.5 X—1.5 X=10.8 2.36 X+2.64 X=18 X—0.75 x=12 2.8 X+ X=7
x+12.5=3.5x
x+x=x+15
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
[x(x-y)-y(x-y)+(x+y)(x-y)]÷2x其中x=2012 y=2013
求x 的值.x +3.5x =9.9;4.25x -x =4.55;10x -2.7x =58.4;6.8x +3.2x
INPUT "x=";x
解方程.38+4x=96 3.9x-1.2x=3.51 1.6x+x=3.9 5.4x÷2=10.8
|x|÷(x-3)与(3-x)÷x为相反数,则x=_____