-4a^3+16a^2b-26ab^2 x^5-x^3 (x^2+y^2)^2-4x^2y^2 25(x+y)^2+10(x+y)+1 a*(-a^2)^3*(a^3)^2
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-4a^3+16a^2b-26ab^2x^5-x^3(x^2+y^2)^2-4x^2y^225(x+y)^2+10(x+y)+1a*(-a^2)^3*(a^3)^2-4a^3+16a^2b-26ab^
-4a^3+16a^2b-26ab^2 x^5-x^3 (x^2+y^2)^2-4x^2y^2 25(x+y)^2+10(x+y)+1 a*(-a^2)^3*(a^3)^2
-4a^3+16a^2b-26ab^2 x^5-x^3 (x^2+y^2)^2-4x^2y^2 25(x+y)^2+10(x+y)+1 a*(-a^2)^3*(a^3)^2
-4a^3+16a^2b-26ab^2 x^5-x^3 (x^2+y^2)^2-4x^2y^2 25(x+y)^2+10(x+y)+1 a*(-a^2)^3*(a^3)^2
-4a^3+16a^2b-26ab^2
=-2a(2a^2-8ab+13b^2)
x^5-x^3
=x^3(x^2-1)
=x^3(x-1)(x+1)
(x^2+y^2)^2-4x^2y^2
=(x^2+y^2+2xy)(x^2+y^2-2xy)
=(x+y)^2(x-y)^2
25(x+y)^2+10(x+y)+1
=[5(x+y)+1]^2
=(5x+5y+1)^2
a*(-a^2)^3*(a^3)^2
= a*(-a^6)*(a^6)
=-a^13
-4a^3+16a^2b-26ab^2
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
16a^2b-16a^3-4ab^2
(a-b)^3+2ab(a-b)
1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?
(a-b)(a^5+a^4b+a^3b^2+ab^4+b^5)bggg
-4a^3b+6a^2b-2ab
-2ab(3a^2-2ab-4b^2) (2b-a)b-（2a-b）a-2ab(3a^2-2ab-4b^2)(2b-a)b-（2a-b）a
5ab^2-{2a^b-[3ab^2-(4ab^2-2a^2b)]}
化简[(a-b)/(a+2b)]/[(a^2-b^2)/(a^2+4ab+b^2)]-(3a^2-4ab)/(a^2+ab)
求化简 (a-b)/(a+2b)除以(a^2-b^2)/(a^2+4ab+b^2)-(3a^2-4ab)/(a^2+ab)
计算(a^3-4a^2b-a+4ab^2)/a(a-2b+1)
{ab-[3a²b-(4a²b+1/2ab)]-4a²b}+3a²b
2a²b(a-b)+ab(a-b)²+4ab²(a-b)
计算2A(A^2 -AB+B^2)-3AB(4A-2B)
-3/4ab+2/3a^2b+ab-a^2b-1/2ab-5/3a^2b
证明（a^2+ab+b^2)^2+4ab(a+b)^2=(a^2+3ab+b^2)
证明（a^2+ab+b^2)^2+4ab(a+b)^2=(a^2+3ab+b^2)