3/4x-0.25=2 解方程
(x-3)^2=4x(x-3) 解方程
2x+3x=18+4x解方程
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
X-0.25X=3 方程解
解方程2x:3=x:
1-x/0.25-0.5x/2=4 解方程
解方程:0.25x+3=0.3x+2
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)