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把下列各式分解因式(每题4分,共16分)
(1)(a-3)2+(3-a) (2)x2+16y2-8xy (3) x5-x3 (4)9m2-n2+3m-n
(1)(a-3)2+(3-a)
(2)x2+16y2-8xy
(3) x5-x3
(4)9m2-n2+3m-n
把下列各式分解因式(每题3分,共9分)? ? ?
分解因式:(每题5分,共10分)
(1)(m+2n)2-(m-n)2
(2)