解方程;3x(66-3x)=36 16x+6.7-4x=66.7 x+2x/4=18
解方程;3x(66-3x)=36 16x+6.7-4x=66.7 x+2x/4=18
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
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+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
4+6X(3x-2)=16x 怎么解方程?注备:X=乘 x=x
2x+3x=18+4x解方程
解方程:(x^2+3x+1)/(4x^2+16x-1)-(12x^2+18x-3)/(x^2+3x+1)=2
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