Question

提公因式解题(1) 2x^2-4xy(2) 6ab-8a^2b(3) (x-y)^2-3(x-y)(4) (a-2b)^

Answer 1

(1)2x(x-2y)

(2)2ab(3-4a)

(3)(x-y)(x-y-3)

(4)(a-2b)(a-2b-2)

(5)2011(2011+1/2012)

(6)3.1(10+22+60)

希望你能采纳,不懂在问我.