人教版初中八年级数学上册因式分解练习题大全94.docx

1、人教版初中八年级数学上册因式分解练习题大全9460a220a2b 14a4bc30b12p(x1)16q(x1) 6(x1)m(x1)4925a2 3x275y249m2144 (2x5y)2(4x9y)2120b100b2 (xy)26m(xy)9m236x248x16 16a28a(xy)(xy)245a260a 6ab3c10b3c10q(3a)8p(3a) 2(3a)m(3a)10016b2 18x250y281a2144 (2xy)2(7xy)21624a9a2 (ab)212m(ab)36m236m2120m100 25a210a(ab)(ab)265a240a4b 10abc20

2、b3c14p(x2)40p(x2) 4(x2)m(x2)1009a2 3x227y20.64x29 (x3y)2(x8y)2428n49n2 (mn)26m(mn)9m236x2108x81 9a26a(xy)(xy)260a10ab 10abc50bc16p(2b)28q(2b) 6(2b)m(2b)494a2 27x275y20.09m2361 (4x4y)2(9x10y)28172y16y2 (mn)28m(mn)16m24x220x25 25a210a(mn)(mn)215a250ab 2a2bc40b412p(9b)24p(9b) 6(9b)m(9b)1100n2 12x248y20

3、.16m249 (x4y)2(xy)28172x16x2 (xy)24m(xy)4m29y230y25 36a212a(ab)(ab)2100a410a4b 10ab3c40b8q(y2)8p(y2) 4(y2)m(y2)425a2 32x28y20.09m2169 (9xy)2(xy)216n9n2 (mn)24m(mn)4m216m248m36 25a210a(xy)(xy)270a40a 14abc50b4c18q(9b)12q(9b) 8(9b)m(9b)6436n2 36x216y29a2225 (xy)2(8x9y)249140m100m2 (mn)24m(mn)4m2100b21

4、40b49 4a24a(xy)(xy)260a30a 12abc50b318p(y1)20p(y1) 8(y1)m(y1)6416y2 64x24y281x2225 (xy)2(4x8y)2116x64x2 (xy)26m(xy)9m216y256y49 36a212a(mn)(mn)2100a30a3 2ab3c40b4c16p(y3)16p(y3) 4(y3)m(y3)464b2 2x28y20.36m2324 (4xy)2(4xy)21648b36b2 (xy)26m(xy)9m249x298x49 4a24a(mn)(mn)280a50ab 12a3bc100b412q(3b)40q(

5、3b) 8(3b)m(3b)254a2 4x264y20.49n236 (xy)2(3x8y)21656b49b2 (mn)210m(mn)25m236n212n1 4a24a(mn)(mn)210a410a4 4ab3c20b16q(2a)20q(2a) 4(2a)m(2a)981n2 27x23y20.25y264 (5xy)2(xy)2116m64m2 (ab)212m(ab)36m24a232a64 9a26a(xy)(xy)2100a390ab 8a4b3c40b18q(5b)20q(5b) 2(5b)m(5b)6425y2 27x23y20.16a236 (xy)2(3x9y)26

6、4128m64m2 (mn)26m(mn)9m281y2108y36 25a210a(mn)(mn)270a280a4b 20abc100bc6q(6a)28q(6a) 6(6a)m(6a)3616m2 75x248y20.36m281 (5xy)2(3xy)2420n25n2 (mn)26m(mn)9m249b2112b64 36a212a(mn)(mn)210a30a3b 2abc10bc20p(1a)20p(1a) 8(1a)m(1a)1616n2 48x248y20.04x29 (2x2y)2(2xy)22590y81y2 (xy)28m(xy)16m225a270a49 9a26a(

7、xy)(xy)250a220a2b 6a4bc80b2c16q(9b)4q(9b) 8(9b)m(9b)4925x2 12x275y20.64m2256 (xy)2(3x8y)21672m81m2 (xy)210m(xy)25m236b284b49 16a28a(ab)(ab)270a80a3b 14a4b3c60b4c2q(y3)36p(y3) 8(y3)m(y3)10081a2 100x2100y249n2225 (x5y)2(x8y)21680m100m2 (xy)26m(xy)9m264b296b36 4a24a(ab)(ab)260a100a 4ab2c20b3c8p(y1)16p(

8、y1) 4(y1)m(y1)125y2 27x212y20.04a264 (xy)2(5x7y)24942b9b2 (ab)28m(ab)16m2100y220y1 25a210a(mn)(mn)250a70a 12a4bc80bc12p(3a)32p(3a) 8(3a)m(3a)10081x2 50x28y249m2289 (x5y)2(x7y)218y16y2 (mn)210m(mn)25m24y28y4 36a212a(mn)(mn)280a350a2b 4abc80bc16q(6b)40q(6b) 4(6b)m(6b)949a2 2x22y29m24 (x4y)2(xy)2114a49

9、a2 (ab)210m(ab)25m2100n2140n49 25a210a(mn)(mn)215a20a 18a3bc10b16p(7a)4q(7a) 2(7a)m(7a)2564b2 48x212y20.09a216 (7x6y)2(xy)2428b49b2 (ab)28m(ab)16m29a224a16 9a26a(ab)(ab)270a210a4 6a3b3c20b16q(8a)36q(8a) 2(8a)m(8a)936x2 16x24y216a264 (4xy)2(x8y)2112b36b2 (mn)212m(mn)36m236b212b1 36a212a(mn)(mn)280a70

10、a 2abc10bc18q(y7)36p(y7) 4(y7)m(y7)925a2 64x236y264y264 (5x4y)2(x8y)23672n36n2 (xy)24m(xy)4m216x216x4 36a212a(mn)(mn)285a70a4b 12a4b2c50b218q(3a)40p(3a) 8(3a)m(3a)2536n2 36x264y249b264 (xy)2(x9y)22520b4b2 (xy)212m(xy)36m2100b280b16 36a212a(mn)(mn)240a240a2 16abc40b4c10q(2b)40p(2b) 2(2b)m(2b)925y2 75

11、x275y20.49x225 (xy)2(9xy)26496a36a2 (xy)24m(xy)4m281y218y1 9a26a(ab)(ab)245a380a 18abc30b6q(1b)8q(1b) 2(1b)m(1b)369x2 2x250y225a281 (6xy)2(x8y)23648b16b2 (mn)28m(mn)16m225b290b81 9a26a(ab)(ab)240a250ab 18abc50b3c10p(x6)40p(x6) 8(x6)m(x6)436a2 100x24y216x2100 (xy)2(x9y)26496y36y2 (xy)26m(xy)9m236a212

12、a1 9a26a(xy)(xy)215a260ab 8a3b2c20bc2q(y2)24p(y2) 2(y2)m(y2)819x2 12x23y20.04x21 (6xy)2(2x8y)21664y64y2 (mn)26m(mn)9m249x2112x64 25a210a(ab)(ab)215a260a2b 10a3bc10b2q(9b)32q(9b) 4(9b)m(9b)10016n2 2x218y225b236 (xy)2(x7y)214a4a2 (ab)212m(ab)36m225a260a36 9a26a(mn)(mn)215a210a 14a2b2c40b2c14p(x9)28p(x

13、9) 2(x9)m(x9)6449y2 48x275y225a236 (x4y)2(7xy)24998y49y2 (mn)212m(mn)36m264a232a4 4a24a(mn)(mn)250a10a4 8abc50bc12q(2a)28p(2a) 2(2a)m(2a)491y2 32x250y20.81m236 (8xy)2(9xy)22550y25y2 (ab)212m(ab)36m264n216n1 4a24a(xy)(xy)230a10ab 18a4b2c70bc20p(7b)24p(7b) 2(7b)m(7b)9100m2 27x275y264n2289 (4x4y)2(5x10

14、y)23624a4a2 (xy)210m(xy)25m29a248a64 9a26a(xy)(xy)270a80ab 10a4b2c70b216p(x4)36p(x4) 4(x4)m(x4)416a2 50x232y20.49n2196 (9x3y)2(2xy)2100100a25a2 (mn)26m(mn)9m249y2140y100 25a210a(ab)(ab)240a240a 16ab3c50b3c14p(y6)32p(y6) 6(y6)m(y6)169m2 36x264y20.81m2169 (6x5y)2(9xy)2420n25n2 (mn)24m(mn)4m2100n240n4

15、25a210a(xy)(xy)290a430ab 12a4b2c80b212p(x2)16p(x2) 4(x2)m(x2)6449y2 16x24y20.36y216 (xy)2(xy)24970x25x2 (xy)24m(xy)4m24b28b4 25a210a(ab)(ab)210a10a 4a3bc100bc18q(x5)28q(x5) 6(x5)m(x5)814a2 64x24y264y2256 (x3y)2(4xy)249140a100a2 (mn)210m(mn)25m24y224y36 16a28a(xy)(xy)210a50a2b 12abc70b4c18p(4b)12q(4b

16、) 4(4b)m(4b)259m2 50x232y216b2169 (3xy)2(7x10y)21672n81n2 (mn)210m(mn)25m29a212a4 9a26a(mn)(mn)215a350ab 16ab3c50b6p(y4)12p(y4) 4(y4)m(y4)1681m2 16x236y20.04m249 (x3y)2(x9y)2954y81y2 (mn)28m(mn)16m236m272m36 25a210a(xy)(xy)285a20a 2a2b3c60bc16p(y8)8p(y8) 4(y8)m(y8)164n2 4x216y20.49b249 (x3y)2(xy)210

17、0180y81y2 (xy)24m(xy)4m216b232b16 25a210a(mn)(mn)290a220a4b 6ab3c10b4c10p(9a)16p(9a) 8(9a)m(9a)369a2 18x22y20.64y2144 (x3y)2(xy)22530a9a2 (ab)26m(ab)9m216n224n9 25a210a(mn)(mn)285a390ab 12ab3c10bc6p(x5)8p(x5) 2(x5)m(x5)6449m2 48x248y20.25m2324 (2x2y)2(xy)22540x16x2 (ab)28m(ab)16m264m2144m81 4a24a(ab

18、)(ab)255a70a4 2a2b3c10b314p(5b)16q(5b) 4(5b)m(5b)949a2 16x264y225x249 (x5y)2(xy)236120b100b2 (ab)210m(ab)25m264y2160y100 36a212a(ab)(ab)280a450ab 16abc70b318p(8b)40q(8b) 8(8b)m(8b)2564m2 12x212y29m225 (2xy)2(x10y)249112n64n2 (mn)28m(mn)16m249m256m16 25a210a(xy)(xy)25a490a3b 2abc80bc4q(9b)4p(9b) 2(9b

19、)m(9b)981x2 16x216y20.36m2121 (8x3y)2(xy)281108x36x2 (ab)210m(ab)25m264a264a16 36a212a(mn)(mn)2100a80a2b 8abc30b3c8q(y6)32p(y6) 4(y6)m(y6)3664b2 12x212y20.04b2256 (xy)2(x9y)281180a100a2 (xy)210m(xy)25m29a224a16 25a210a(ab)(ab)215a10ab 16abc90b20q(y9)8p(y9) 6(y9)m(y9)3625x2 3x212y20.49b29 (xy)2(5x10y

20、)281162a81a2 (mn)26m(mn)9m2100y2200y100 16a28a(mn)(mn)220a480a2 2a4b2c10bc14q(y8)40q(y8) 8(y8)m(y8)2525x2 32x22y225a2324 (x2y)2(6xy)28172a16a2 (ab)212m(ab)36m236b284b49 25a210a(xy)(xy)215a10a 18abc100b2c16q(1b)28q(1b) 6(1b)m(1b)25100x2 2x22y236y21 (xy)2(4x8y)23660b25b2 (xy)24m(xy)4m281x236x4 4a24a(x

21、y)(xy)270a30a 14abc10b4c14p(y3)40p(y3) 4(y3)m(y3)3616a2 12x227y29b24 (7x2y)2(x8y)2100180b81b2 (mn)28m(mn)16m216a248a36 9a26a(mn)(mn)280a410ab 2a4b3c90b214p(5b)28q(5b) 2(5b)m(5b)936m2 27x248y20.81b2225 (x4y)2(x10y)23648a16a2 (ab)26m(ab)9m225b280b64 25a210a(ab)(ab)285a80a 4ab3c30bc6q(y1)12p(y1) 2(y1)m(y1)916m2 64x24y20.81a2144 (7x3y)2(xy)249140b100b2 (ab)212m(ab)36m2100m2180m81 9a26a(mn)(mn)2