1、初中八年级数学上册因式分解练习题大全918x9x2(xy)212m(xy)36m2100a2100a2516a28a(mn)(mn)2x27x10x28x208x228x243649m210a480a2b18a4b2c70bc10p(5a)32q(5a)8(5a)m(5a)464b275x23y20.16n29(xy)2(6xy)249126b81b2(ab)28m(ab)16m236n284n494a24a(ab)(ab)2x24x4x24x124x212x9925a235a100a220a3b2c80bc18p(x7)16p(x7)6(x7)m(x7)449x227x275y20.49m2
2、81(xy)2(4xy)2100160x64x2(ab)26m(ab)9m264x216x125a210a(xy)(xy)2x214x49x28x915x234x159100y225a270a18a2b2c10bc6p(x9)20q(x9)8(x9)m(x9)8181n212x212y225x2225(x2y)2(xy)2112n36n2(mn)26m(mn)9m249b2112b6425a210a(ab)(ab)2x218x81x25x368x238x3594n245a30a14abc30b312p(x1)40p(x1)2(x1)m(x1)936n232x22y20.04y29(3x3y)2
3、(5xy)2116a64a2(mn)26m(mn)9m24x28x425a210a(ab)(ab)2x214x49x26x1610x246x486436x275a360a416a4bc30b12q(y2)40q(y2)8(y2)m(y2)4981b212x248y281b21(xy)2(3x10y)2936a36a2(ab)210m(ab)25m216x232x164a24a(xy)(xy)2x214x48x25x508x220x88164a250a40ab12a2bc60bc2q(x1)28p(x1)2(x1)m(x1)8116b264x2100y236b216(x5y)2(xy)2948a
4、64a2(mn)24m(mn)4m29n218n936a212a(mn)(mn)2x29x14x26x278x244x208116n250a450ab12a4b2c10b216q(y7)4q(y7)4(y7)m(y7)481n22x218y236m2196(3x4y)2(xy)26480m25m2(mn)210m(mn)25m249x214x116a28a(mn)(mn)2x212x27x22x245x256x606436m230a90a2b20ab3c80b318p(y4)32q(y4)6(y4)m(y4)6449a275x23y20.04x2121(x5y)2(x10y)21616b4b2
5、(xy)28m(xy)16m24m220m259a26a(ab)(ab)2x216x63x25x69x242x406425n270a210a6a2bc80b2c8p(5a)8p(5a)2(5a)m(5a)3616b24x216y216a2324(x6y)2(x10y)2118x81x2(mn)28m(mn)16m236m296m649a26a(xy)(xy)2x26x8x24x215x247x5694b245a80a16a3b2c40b412p(x6)32q(x6)2(x6)m(x6)10081n275x212y264n2100(6x2y)2(xy)24998n49n2(ab)28m(ab)1
6、6m24m224m3625a210a(xy)(xy)2x29x18x24x328x244x3619m240a90ab2a4bc20b12p(5a)24q(5a)6(5a)m(5a)4916m232x232y281y2144(2x4y)2(5x8y)210060n9n2(mn)24m(mn)4m225n250n259a26a(mn)(mn)2x25x4x28x208x242x40369m215a80a34ab2c70b4p(2b)32p(2b)4(2b)m(2b)1004x28x218y264m2225(9x6y)2(xy)22520m4m2(ab)26m(ab)9m249x242x925a21
7、0a(ab)(ab)2x216x63x25x620x262x48644a280a440a48a4b2c80b2q(y2)20q(y2)6(y2)m(y2)3636y275x23y20.16a2169(8x2y)2(7x7y)249140a100a2(mn)212m(mn)36m281m2144m649a26a(mn)(mn)2x216x63x29x1020x271x6310049a230a50a20abc80b212p(7a)4q(7a)6(7a)m(7a)136m232x28y20.09x2361(2x6y)2(2x7y)23684m49m2(xy)210m(xy)25m236b2108b8
8、19a26a(ab)(ab)2x212x36x28x912x217x68116b285a10a3b10abc10b22p(4a)28p(4a)6(4a)m(4a)936x232x232y20.16m249(x2y)2(x8y)23684n49n2(ab)24m(ab)4m264x2112x494a24a(ab)(ab)2x215x54x24x458x242x272536b25a10a3b12a3b2c80b2q(x6)12q(x6)6(x6)m(x6)3649b22x28y20.04n2169(xy)2(7x7y)28172x16x2(mn)24m(mn)4m249y242y94a24a(xy
9、)(xy)2x23x2x28x93x223x303636n265a100a3b12a2b3c50bc6q(y6)4p(y6)4(y6)m(y6)4981b2100x2100y20.36m2289(xy)2(8xy)21624a9a2(ab)24m(ab)4m2100m240m436a212a(xy)(xy)2x215x56x28x208x256x8044x250a260a2b18a2b3c10b20q(8a)40p(8a)2(8a)m(8a)3649n22x22y281y2324(x4y)2(5x7y)281126y49y2(mn)212m(mn)36m29x254x819a26a(xy)(x
10、y)2x210x16x23x2812x246x42125b215a80a3b2ab3c100bc18q(x1)32q(x1)6(x1)m(x1)3616x264x24y20.36b2225(x6y)2(x9y)2100180x81x2(mn)24m(mn)4m2100b2180b819a26a(mn)(mn)2x216x63x25x244x239x56416x285a20a4b2ab2c100b4c12q(y1)4q(y1)8(y1)m(y1)100100n232x232y20.64m249(x5y)2(xy)2936a36a2(xy)210m(xy)25m236y224y49a26a(ab)
11、(ab)2x27x12x24x126x222x16916a215a40ab2a3bc80b14q(4a)20q(4a)4(4a)m(4a)14n275x227y20.25a2256(7x5y)2(x9y)26448n9n2(ab)26m(ab)9m2100b2180b819a26a(xy)(xy)2x27x10x29x1012x222x69100x275a40a2b4a2bc80b3c18p(x7)40p(x7)6(x7)m(x7)136x236x264y20.64x2324(xy)2(8x10y)23648x16x2(xy)212m(xy)36m2100x220x125a210a(ab)(a
12、b)2x217x72x25x508x218x10819b295a440a420abc40bc10q(x7)36q(x7)2(x7)m(x7)949y236x236y236m2361(4x5y)2(x8y)21616y4y2(mn)26m(mn)9m249b2140b1009a26a(xy)(xy)2x23x2x25x146x28x2949y250a90a18abc30b4c18q(1b)32q(1b)4(1b)m(1b)3649b236x236y264n236(xy)2(7x9y)21664m64m2(mn)210m(mn)25m249x228x436a212a(xy)(xy)2x24x4x2
13、5x246x236x54494x245a410a3b12a4bc40bc2q(5a)12q(5a)4(5a)m(5a)8116m264x216y20.16x2225(x2y)2(7xy)24984n36n2(ab)28m(ab)16m24y240y10025a210a(mn)(mn)2x28x16x29x1016x260x542549y2100a490ab2ab2c40b220q(8a)12q(8a)8(8a)m(8a)10036n23x212y20.49a2121(x3y)2(5x9y)23672b36b2(xy)212m(xy)36m249a2126a814a24a(mn)(mn)2x21
14、0x24x24x323x219x2849100m245a80a212ab2c100b218p(x1)4q(x1)8(x1)m(x1)3636x248x275y20.16a281(x3y)2(x7y)26464a16a2(ab)28m(ab)16m2100m2120m369a26a(ab)(ab)2x212x35x28x95x245x40925b270a370a3b18a4bc60b4c18p(y7)12q(y7)4(y7)m(y7)649b275x275y20.04m281(6x5y)2(7xy)2100180a81a2(ab)24m(ab)4m249m2126m8116a28a(ab)(ab
15、)2x210x16x27x1812x260x724949y2100a40a14abc40b16p(x8)24q(x8)2(x8)m(x8)1100m216x2100y20.09y2256(8x2y)2(x8y)28154b9b2(ab)210m(ab)25m264x264x164a24a(ab)(ab)2x26x9x29x1015x233x6425a290a90ab6abc40bc6p(y1)32q(y1)6(y1)m(y1)1625n227x23y225n2289(7x5y)2(xy)22530n9n2(ab)26m(ab)9m249x2140x10025a210a(xy)(xy)2x210
16、x9x24x126x250x100494y250a3100a36abc70bc8p(y9)20p(y9)6(y9)m(y9)94m218x28y236b2361(xy)2(7x10y)28190x25x2(mn)24m(mn)4m2100y260y99a26a(mn)(mn)2x216x63x24x129x251x70125x255a90a6abc30bc18p(1b)40p(1b)2(1b)m(1b)169y2100x236y20.16n225(xy)2(7xy)249140y100y2(ab)28m(ab)16m2100n2160n649a26a(ab)(ab)2x210x21x29x10
17、4x210x62516a285a460a214abc10b410p(9b)4p(9b)2(9b)m(9b)2564x236x24y20.16y2361(xy)2(xy)24928n4n2(mn)212m(mn)36m225a290a814a24a(xy)(xy)2x28x12x24x324x28x481100y225a20a14abc30b24q(x6)40q(x6)2(x6)m(x6)481a216x2100y20.25m2400(9x6y)2(x10y)2942n49n2(mn)28m(mn)16m281m236m49a26a(ab)(ab)2x215x56x28x96x246x80163
18、6b250a380a4b12a4b2c100b14p(5a)20p(5a)6(5a)m(5a)44y232x22y20.36y2289(x6y)2(x10y)23672a36a2(mn)210m(mn)25m2100b260b916a28a(mn)(mn)2x28x15x26x716x232x736100b225a90a24a4b2c40b8q(1b)4p(1b)4(1b)m(1b)136x248x227y264b2225(7x6y)2(x9y)28136m4m2(ab)212m(ab)36m236y2108y8136a212a(ab)(ab)2x23x2x22x244x212x8149m245a360ab8ab2c100bc20q(x6)16p(x6)6(x6)m(x6)949y23x227y29y2324(x6y)2(x8y)264144a81a2(xy)212m(xy)36m236a248a164a24a(xy)(xy)2x214x48x25x506x226x282549b2
