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1、计算:(1)
2、将以下多项式写成几个因式的乘积的形式:
(2)ab+ac (2)x2+4x (3)mb2+nb–b
3、将下列多项式进行分解因式:
(1)3x+6 (2)7x2–21x (3)8a3b2–12ab3c+ab (4)–24x3–12x2+28x
找出下列各多项式的公因式:
(1)4x+8y (2)am+an (3)48mn–24m2n3 (4)a2b–2ab2+ab
4、将下列多项式进行分解因式:
(1)8x–72 (2)a2b–5ab (3)4m3–8m2
(4)a2b–2ab2+ab (5)–48mn–24m2n3 (6)–2x2y+4xy2–2xy
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