化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
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化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b化简:2a^2b-3ab^2+1
化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
=2a^2b-3ab^2-2ab^2+3ab^3+(1/2a^3b-0.5a^3b )
=2a^2b-3ab^2-2ab^2+3ab^3
=2a^2b+3ab^3-(3ab^2+2ab^2)
=2a^2b+3ab^3-5ab^2
(a-b)^3+2ab(a-b)
化简:(-2ab+3a)-(2a-b)+6ab
ab^3+b^2+b-a+1
如果a=b(3a+1),化简(2a+ab-2b)分之(a-ab-b)
化简:1.3a+2b-5a-b 2.3(-ab+2a)-2(3a-ab)
1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?
a+b/2ab
2AB/A+B
a+b/2ab
1/a+1/b=3则a-ab+b/a+2ab+b值是?
如果a+b=3,ab=-1,那么(a+b)2-a-b+ab=?
(a+b-2ab)(a+b-2)+(1-ab)^2
(a^2b-ab-a+1)/(ab^2+3ab-b-3)÷(a^2+a_2)/(b^2+b-6)
已知a+b=A,ab=A+2008,1-2(a+ab)+(ab-2b)=3A.求a+b和ab的值
已知a+b=A ab=A+2008 1-2(a+ab)+(ab-2b)=3A 求a+b ab的值
已知a+b=A ab=A+2008 1-2(a+ab)+(ab-2b)=3A 求a+b ab的值
(a-b+ab-a^2/a+b)乘以[a+1/a-b乘以(1+a/b)]
化简 b²-a²/a²-ab÷(a+(2ab+b²/a))·(1/a+1/b)