5(x-y)^6/(3/10)(x-y)^2等于多少
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5(x-y)^6/(3/10)(x-y)^2等于多少5(x-y)^6/(3/10)(x-y)^2等于多少5(x-y)^6/(3/10)(x-y)^2等于多少5(x-y)^6/(3/10)(x-y)^2
5(x-y)^6/(3/10)(x-y)^2等于多少
5(x-y)^6/(3/10)(x-y)^2等于多少
5(x-y)^6/(3/10)(x-y)^2等于多少
5(x-y)^6/(3/10)(x-y)^2
=50/3 （x-y）^4
50/3（x-y）^4
化简(x+y)-(2x+y/2)-(3x+y/6)-(4x+y/12)-(5x+y/20)-……-(10x+y/90)
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
(x+y)/6+(x-y)/10=1,(x+y)/6-(x-y)/10=5
已知x,y满足约束条件 2x+5y>=10 2x-3y>=-6 2x+y
已知x,y满足约束条件{2x+5y>=10,2x-3y>=-6,2x+y
已知实数x,y满足2x+5y>=10;2x-3y>-6;2x+y
3(2X+Y)+(2(2x-Y)=6 (8X+4y)-(10X-5Y)=2
5x^3y(x-y)^3-10x^4y^3(y-x)^2因式分解
5x^3y(x-y)^3-10x^4y^3(y-x)^2
(3x-4y)(5x-4y)-(7x-8y)(6y-5x)
(x+5y)^+(2x+10y)(3x-y)+(3x-y)^
(x+5y)²-(2x+10y)(3x-y)+(3x-y)²
5X^3Y(X-Y)-10X^4Y^3(Y-X)^2因式分解
2(2x+3y)(3x+2y)-(6x-y)(2x-5y)
（x+y）^6/(x+y)^4-(x-y)^5/(x-y)^3 化简 ..
因式分解x次方-y次方+5x-y+6【x-y+2】【x+y+3】
x+y/2+x-y/6=5 2(x+y)-3(x-y)=-2
6(x-y)-2(x+y)=14 3(x-y)+(x+y)=5