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1、因式分解专题因式分解专题姓名：姓名：(1)328aa(2)2()28xyxy(3)22510x yxy(4)229()4()axybyx(5)416m (6)32242xxx(7)276xyxyx(8)22214aa(9)2(2 )(3 )(2 )xy xyxy(10)222224xyx y(11)22mamam(12)222416xx(13)323x yx(14)22(2)9abb(15)22484xxyy(16)2221aaa(17)3228xxy(18)4322aaa(19)29x yy(20)322288xx yxy(21)134x xx(22)2221xyy(23)21222xx(2
2、4)222936xx(25)223223xyxy(26)2222aabbba(27)2214xxyy(28) 2mnxynmxy(29)322363xx yxy(30)221122xy(31)2288xx(32)216axyyx(33)3a2b+6ab3b(34)a22ab+b2c2(35)224ab(36)21236mm(37)22()(x abyba(38)222416aa(39)4x2100(40)2mx24mxy+2my2(41)22()(x abyba(42)2231827xxyy(43)82x2(44)2x3y+4x2y2+2xy3(45)2464x (46)2225()9()ab
3、ab(47)a（ab）a+b(48)（x2+y2）2（2xy）2(49)328aa(50)241616aa(51)328aa(52)241616aa(53)228a (54)222(1)4xx(55)32242aaa(56)2294axybyx(57)216x (58)2288x yxyy(59)3269aaa(60)222(4)16xx(61)228x (62)3222xx yxy(63)29x (64)22288aabb(65) 211mmm(66)221x xy(67)23.4 1.320.66 13.226.4(68)31mmxx(69)2215yy(70)（x4）16x2(71)26
4、4xxy(72)231212aa(73)222x aya(74)42416aa(75)24ab(76)22369aba bb(77)241x (78)3244mmm(79)3269m nm nmn(80)22214aa(81)134x xx(82)3221218aaa(83)9x281(84)m38m2+16m(85)328xx(86)22344xyx yy(87)a xyb yx(88)231212m nmnn(89)2(2 )421xyxy(90)222(9)36xx(91)am26ma+9a(92)9a44b4(93)22242mxmxymy(94)222416xx(95)3x y212
5、x(96)x2y2xy2+y3(97)241616aa(98)229()4()axybyx(99)39xx(100)3244xxx(101)263x yy(102) 222nmm(103)3520xx(104)24 12()9()yxxy(105)2322a baab(106)229()()abab(107)4m3nmn3(108)（x1） （x3）+1(109)a2b2ab2+b3(110)（x2+9）236x2(111)2x22(112)x34x2y+4xy2(113)111363aa(114)22169axybyx(115)x29(116)2232axaxyay(117)24xyx(11
6、8)32296xxyx y(119)22(32)(27)xx(120)222(2)6(2)9xx(121)32327xx y(122)3a2x6axy+3a2y(123)22axay(124)2242xx(125)222a (126)322xxx(127)2215xx(128)22924xyxy(129)9x2-6x+1(130)3x（x-y）-6y（x-y）(131)2129xyzx y(132)2464x (133)249x (134)322242mm nmn(135)2464x (136)232aaa (137)533416m nm n(138)32221218xx yxy(139)24
7、16x ；(140)23216164a baab(141)2296xxyy(142)(1)(3)4xx(143)33a bab(144)22363xxyy(145)x3yxy3(146)（x2） （x4）x24(147)a3a(148)16x2y2（x2+4y2）2(149)2a（xy）+b（yx）(150)（x2+1）24x2(151)2232x (152)3223242x yx yxy(153)amanap(154)214x(155)21664xx(156)22(32 )(23 )xmnynm(157)69m m(158)222(1)4aa(159)235x yy(160)()()x xy
8、y yx(161)4x2-8x+4(162)(x+y)2-4y(x+y)(163)2mmnm(164)3212aaa(165)22413xx(166)421881yy(167)20a15ax；(168)a2（xy）+36（yx）(169)228168axaxyay(170)22222936xyx y(171)2363ababa(172)22()8()aabab(173)231212m nmnn(174)22()()aabb ba(175)229axybyx(176)222936aa(177)()(2xyyxx(178)223242x yxyy(179)3222aa bab(180)224 mn
9、mn(181)2215xx(182)22144abab(183)228x (184)2(2)8(2) 16aa(185)2()()()xyxy xy(186)(21)(21)xyxy(187)3a xyyx(188)222416xx(189)2a2b-8ab2+8b3(190)4a2（m-n）+9（n-m）(191)81x4-16(192)（m2+5）2-12（m2+5）+36(193)11824nnxx(194)4224-1881xx yy(195)apaq+am(196)4y225(197)m3n6m2n+9mn(198)（a2+1）24a2(199)mx2my2(200)2x28x+8(201)223612x yxyxy(202)481m(203)39m nmn(204)322344x yx yxy(205)29x (206)3218122aaa(207)a3b2a2b+ab(208)x24xy+4y21(209)3221218aaa(210)2225()4()axybyx(211)2 ()3 ()x aby ba(212)244x yxyy(213)3327xx(214)244ababa(215)()()x xyy yx(216)22352020a babb(217)2a38a(218)（xy）2+4xy(219)4a2-9；(220)16m4-8m2n2n4
