10x=0.35 4x-2.4=20 8.2x-1.2x=6.3
(X+X)+(X-X)+(X*X)+(X/X)=100
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
x-20%x=4
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
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
(x-22)+(x-24)+(x-27)+(x-20)=x
x-4/x-6+x-8/x-10=x-5/x-7+x-7/x-9
解下列方程:1.2x+1.1*2=8.2 x/10-6=12.5 5x+x-4x=106 x-0.85x+36=42
4x-3x(20-x)=5x-7x(20-x)
4x-3x(20-x)=5x-7x(20-x)的解法