(-2ab^2)^2*(3a^2b-2ab-1)
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(-2ab^2)^2*(3a^2b-2ab-1)(-2ab^2)^2*(3a^2b-2ab-1)(-2ab^2)^2*(3a^2b-2ab-1)(-2ab^2)^2*(3a^2b-2ab-1)=4a^
(-2ab^2)^2*(3a^2b-2ab-1)
(-2ab^2)^2*(3a^2b-2ab-1)
(-2ab^2)^2*(3a^2b-2ab-1)
(-2ab^2)^2*(3a^2b-2ab-1)
=4a^2b^4*(3a^2b-2ab-1)
=12a^4b^5-8a^3b^5-4a^2b^4
(a-b)^3+2ab(a-b)
a+b/2ab
2AB/A+B
a+b/2ab
ab/a+b=3 a-2ab+b/2a-3ab+2b?
3(-ab+2a)-(3a-b)
3(-ab+2a)-(3a-b)
因式分解：a×a×a-2a×a×b+ab×b
(ab(a^-2ab)-a^2b(a-3b))÷（3a^b）
-2ab乘以(-a^+6a^b-3a+b)
18ab(a-b)^2-12a(b-a)^3
a^3-ab^2 =a （a^2 -b^2) =a(a+b)(a-b)
(a-b)平方-2ab(b-a)
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
3(-2ab+3a)-(2a-b)+6ab
3(-ab+2a)-(3a-b)+2ab
化简:(-2ab+3a)-(2a-b)+6ab
3（-ab+2a)-(3a-b）+3ab