解不等式:(4x-7)(6x+5)-(3x+2)(8x-9)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
解不等式x-3/4+6≥x;4-5(x-2)<8-2x
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解不等式:(x-6)(x-9)-(x-7)(x-1)小于7(2x-5)
解不等式组x(2x-5)>2x×x-3x-4 (x-1)(x+3)+8x>(x+5)(x-5)-2
7x<6x-3 5x-12<8x-33 4分之5x+4≤4分之9x-1 3(6x+7)≥8-2(5x-9) 解不等式
解不等式组{2+4x>3x-7}{6x-3>5x-4}{3x-7
x(2x-5)>2x的平方-3x-4 (x+1)(x-3)+8x>(x+5)(x-5)-2 解不等式组
解不等式组 x(2x-5)>2x^2-3x-4,(x+1)(x+3)+8x>(x+5)(X-5)-2.
解不等式x^3-5x^2+2x+8
解不等式x(4x+3)(5-2x)