(1)(1+x)2=1.0455(2)(x-40)·[500-10(x-50)]=8 000
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(x)-2x·x-x-2x+1=0求x的值,
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1
3^x=2^x,求x.5^(x-1)·10^3x=8^x求x
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),
解方程1/x(x+1)+1/(x+1)(x+2)+...+1/(x+8)(x+9)=2x+3/x(x+9)
解方程:1\x(x+1)+1\(x+1)(x+2)+.+1/(x+8)(x+9)=2x+3\x(x+9)
(2x-2)(x-1)=0 x(x-5)=5x-10
3X+(X+2)+(X+1)*(X-1)=4*(X²+8)
(X-X*20%-18-(X-X*20%-18)*10%=X*1/2-3(过程)