解方程(x-3)^2+4x^2=36
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程:7x-2x+3x=36
解方程7x-2x+3x=36
(x-3)^2=4x(x-3) 解方程
2x+3x=18+4x解方程
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)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程(x-3)^2+4x^2=36