SO EASY!3ab^2 -9a^2b^2 +6a^3b^2*注意:题目读法是3ab平方-9a的平方b的平方+6a的三次方b的平方.

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SO EASY!3ab^2 -9a^2b^2 +6a^3b^2*注意:题目读法是3ab平方-9a的平方b的平方+6a的三次方b的平方.
SO EASY!
3ab^2 -9a^2b^2 +6a^3b^2
*注意:题目读法是3ab平方-9a的平方b的平方+6a的三次方b的平方.

SO EASY!3ab^2 -9a^2b^2 +6a^3b^2*注意:题目读法是3ab平方-9a的平方b的平方+6a的三次方b的平方.
=3ab^2(3-9a+6a^2)
=3ab^2(2a-1)(a-1)

3ab^2 -9a^2b^2 +6a^3b^2
=(3ab^2-2a)(1-3a^2b^2)
=a(3b^2-2)(1-3a^2b^2)

SO EASY!3ab^2 -9a^2b^2 +6a^3b^2*注意:题目读法是3ab平方-9a的平方b的平方+6a的三次方b的平方. The book is ___for children to read.A.enough easy B.so easy C.easy enough D.easy too The problem is ___ to solve.A.enough easy B.so easy C.too easy D.easy enough In school it is not so easy to learn a foreign language because the pupils have so ...In school it is not so easy to learn a foreign language because the pupils have so little time ___ it.a.on b.for c.in为为什么用介词for?而不是其他2个 A B C,flow me.It's as easy as 1,2 ,3.1 2 3,A B C.It's as easy as you see.怎么翻译 It seems a very simple thing to tell the truth,but beyond all questions,there is nothing ___ lying.A.half so easy as B.so half easy as C.half easy as D.so easy as half It's ()easy ()you see.A so,so B so,as C as,as选哪个?为什么? 英语选择题This math problem is _____ that one.A.not so easy as B.more easy than C.easy than D.as easier as This math problem is------that one.A.not so easy as B.more easy than C .as easier than D.easy than选哪一个?给我讲讲为什么, He is a good teacher,he ____ English so easy.A,lets B makeswhy? so easy! so easy so easy. so easy! so easy 1.So she thought her son,Tom (1)______ help her (2)_______ some fish.(1)A.could B.must C.should D.walking(2)A.do B.cook C.buy D.sell2.OK,Mum,Tom said.It's not (3)_______to tell a live fish from a dead one.(3)A.easy B.diffcult C.bad D.nice3.On the the work is not to easy to [ ]you.a for b as c so d to [(a^2-b^2)/b]^2/(a^2+ab)^3*(ab/b-a)^2另:a^2+ab=9