解方程(1-4/7)x=(x-5)*12/23
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程1/(x+x﹚+1/(x+3x+2﹚+1/(x+5x+6﹚+1/(x+7x+12﹚=4/21得
方程(x-1/x-2)-(x-3/x-4)=(x-2/x-3)-(x-4/x-5)解为x=7/2,(1/x-7)-(1/
解方程:5x(x+7)(x+4)=5x(x的平方+11x)
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程1/(x^3+3x+2)+1/(x^3+5x+6)+1/(x^3+7x+12)=1/(x+4)
解方程1\x^2+3x+2+1\x^2+5x+6+1\x^2+7x+12+1\x+4=3\2
解方程:3x【7-2x】+5x【2x-1】=4x【x-3】+56
解方程 3x(7-2x)+5x(2x-1)=4x(x-3)+56
解方程:1/x-7-1/x-5=1/x-6-1/x-4
解方程(9x-7)/(3x-2)-(4x-5)/(2x-3)=1