(1/9):(9/8)=x:24
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
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)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程 X除以(X-2) + (X-9)除以(X-7) = (X+1)除以(X-1) +(X-8)除以(X-6)
9x+6x²-3(x-2/3x²),其中x=-2 1/4(-4x²+2x-8)-(1/2x
六道解方程4×(0.8-x)=1.45+2/3x-1/2x=1210x+9=8x+19115%x+15%x=1.32x-
1/(x-5)-1/(x-6)=1/(x-8)-1/(x-9)
(2x+1)平方-2x=1 4x平方=x+9 x(x-2)+4x-8=0 2根号下2x-2x平方-1=0(6)2x平方-
.2x(3x+1)=9x+3(x+8)(x+1)=12
1、x*(x+3)*(x+6)*(x+9)=68040 2、x*(x+1)*(x+2)*(x+3)*(x+4)=5544
解方程X-1/5X=24 X-1/8X=42 X-1/9X=64