求解5x(2x+1)-(2x+3)(5x-1)
7x-3(2/3x+1/5x)-(x+2/5x)+2x 求解?
求解不等式 -3x²+5x-4>0 x(1-x)>x(2x-3)+1
求解方程1-x-2/3=1-x/5
求解方程(x-1)/(x²-5x+6)+(x-2)/(x²-4x+3)=(x-3)/(x²
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
5sin^2(X)+sin(2X)-cos^2(X)=1, 求解X
3x(x^2-2x+1)-2x^2(x-1)求解!
求解不等式1/4(x-2)+1/5(x-3)≥-3-1/6(x-4)
4(7x-1)-6(5x+1)=24-3(3x+2)求解
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)