4.8X-(4X-3)=48 36×(2X-3.6)=72解方程
4.8X-(4X-3)=48 36×(2X-3.6)=72解方程
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(3-X)(4-X)=48-20X+2X[平方]
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
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程:6x(7-x)=36-2x(3x-5)x是字母x
解方程:-x(3x-2)+2x(2-x)=-5x(x-2)-4