y=x∧5+5x∧4+5x∧3+1
(x+2)(x+3) (x-4)(x+1) (y+4)(y-2) (y-5)(y-3)
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
已知x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(
先化简,再求值(x+2y)∧2-(x+y)(3x-y)-5y∧2,其中x+-2,y=1/2
化简[(3x+4y)^2-(2x+y)(2x-y)+(-x+y)(5x-y)]除以-2y,其中x=-1,y=1
先化简再求值(x-y)(x+y)-(x-2y) 的完全平方+x(3x-5y)-(x-y)(x-2y),其中x=1/2 y
求函数y=\x-1\+\x-2\+\x-3\+\x-4\+\x-5\+\x-6\+.+\x-10\的最小值
(3)(4x-2y)-[5x-(8y-2x-y)]+x (4)-(2x²-3x-1)-2(x²-3x
求导:y=x∧2×√(2x-1)/(5x+4)要详细过程,
已知实数x、y满足x∧2+y∧2+2x-4y+5=0,求x、y的值
化简代数式的几道题3(x-1)-(x-5)2(x^2-y^2)-3(x^2-2y^2)(x+y)+3(x-y)-4(x+