初中八年级数学上册因式分解练习题大全77.docx

1、初中八年级数学上册因式分解练习题大全7765a20ab 18a3bc100b4c18q(8a)40p(8a) 2(8a)m(8a)14b2 50x232y20.16y2225 (7x4y)2(3xy)2948x64x2 (xy)26m(xy)9m236a284a49 16a28a(xy)(xy)2x213x42 x25x2410x255x70 49n245a240a4b 14abc100b32p(y5)8q(y5) 2(y5)m(y5)4925a2 32x22y281b264 (xy)2(6xy)2114x49x2 (ab)212m(ab)36m24y212y9 9a26a(xy)(xy)2x

2、214x45 x27x3012x246x40 649n240a30a 16ab2c100bc14q(1a)24p(1a) 6(1a)m(1a)8136m2 18x28y20.49m2196 (6xy)2(4xy)21616n4n2 (xy)26m(xy)9m236m284m49 25a210a(mn)(mn)2x27x12 x26x276x241x63 10064y210a20ab 14a3b3c100b412p(9a)40q(9a) 4(9a)m(9a)4964x2 27x248y24a2196 (x5y)2(x10y)210080m16m2 (ab)28m(ab)16m249a242a9

3、4a24a(ab)(ab)2x213x42 x26x166x226x20 4981m240a380a 4a3bc50b2c12q(x4)16q(x4) 6(x4)m(x4)8181n2 4x24y29b264 (2xy)2(xy)2960a100a2 (mn)26m(mn)9m281a254a9 36a212a(mn)(mn)2x24x3 x25x508x242x54 100100y265a80ab 18abc50b10q(6a)24q(6a) 8(6a)m(6a)16100x2 32x28y264n2225 (x3y)2(x7y)21656x49x2 (mn)28m(mn)16m24b220

4、b25 16a28a(mn)(mn)2x213x40 x25x2416x228x10 149m290a370a4b 16abc60b2c6q(3a)8p(3a) 2(3a)m(3a)3625b2 100x2100y216a2196 (x5y)2(xy)2954b81b2 (xy)212m(xy)36m24m216m16 25a210a(ab)(ab)2x27x6 x23x4020x258x42 169m255a80a 20a4bc90bc14p(3b)24q(3b) 8(3b)m(3b)494x2 16x236y216x2169 (2x2y)2(4x9y)24970y25y2 (ab)212m

5、(ab)36m249n242n9 4a24a(mn)(mn)2x29x14 x24x122x230x100 6481m255a4100a 14ab2c60bc14q(y8)40q(y8) 6(y8)m(y8)4964b2 48x23y281x2196 (xy)2(7x7y)264160x100x2 (xy)24m(xy)4m225a260a36 36a212a(xy)(xy)2x29x14 x22x353x218x15 4949b260a80ab 2ab3c100b316p(y5)24p(y5) 4(y5)m(y5)36100b2 4x264y20.09m24 (xy)2(9xy)21648n

6、36n2 (xy)26m(xy)9m216y256y49 4a24a(xy)(xy)2x214x45 x27x188x224x18 949y25a30a 20abc70b3c10q(1b)28q(1b) 6(1b)m(1b)4936b2 48x227y29a2256 (9x2y)2(7xy)2100200n100n2 (xy)28m(xy)16m225x260x36 4a24a(xy)(xy)2x213x36 x24x1215x230x15 3625b265a80a3 6a2bc30b214q(8a)36p(8a) 2(8a)m(8a)499m2 27x248y281b225 (xy)2(5x

7、10y)21656y49y2 (ab)28m(ab)16m216a256a49 9a26a(ab)(ab)2x216x64 x23x189x242x45 2525x295a30a 14a3b3c50b32q(2b)36q(2b) 2(2b)m(2b)164x2 32x28y20.64x2289 (x2y)2(2xy)2100120n36n2 (ab)212m(ab)36m264m2144m81 9a26a(ab)(ab)2x216x63 x21x3010x211x3 1664a265a10a2 6a2b2c20b44p(7a)36p(7a) 6(7a)m(7a)4916y2 27x248y21

8、6y2144 (x4y)2(x10y)2420a25a2 (ab)24m(ab)4m29n260n100 4a24a(ab)(ab)2x28x12 x25x143x27x4 181m255a390a 2a4bc100b24q(y7)8p(y7) 2(y7)m(y7)9100m2 3x227y264a281 (xy)2(5xy)2120y100y2 (xy)28m(xy)16m264m296m36 25a210a(ab)(ab)2x211x30 x24x215x241x42 1649x240a30a3 12ab2c30b18q(1b)20q(1b) 6(1b)m(1b)1649x2 4x264y

9、20.36m236 (3xy)2(7xy)2930m25m2 (ab)26m(ab)9m29n26n1 4a24a(mn)(mn)2x216x63 x25x65x224x27 4981n2100a10a2b 18ab3c70b8p(6a)28q(6a) 6(6a)m(6a)2564m2 27x275y216b2169 (x6y)2(xy)281108n36n2 (ab)24m(ab)4m2100m260m9 25a210a(mn)(mn)2x213x40 x22x356x221x9 10036m270a70ab 20ab2c100b14q(8a)8p(8a) 6(8a)m(8a)925x2 4

10、x24y281n2100 (7xy)2(9x8y)22560b36b2 (ab)212m(ab)36m29m230m25 4a24a(mn)(mn)2x29x14 x24x329x227x18 936x235a30a 12a3b2c100b312q(8b)8q(8b) 4(8b)m(8b)6449m2 18x250y20.09m2361 (xy)2(xy)21648b36b2 (mn)26m(mn)9m216b256b49 36a212a(ab)(ab)2x215x56 x27x88x214x3 10049a245a70a 6a4bc30bc16p(x7)4p(x7) 4(x7)m(x7)44

11、m2 16x2100y20.16m2144 (x4y)2(4xy)21664n64n2 (mn)210m(mn)25m264n280n25 36a212a(mn)(mn)2x26x8 x23x186x238x60 1004n250a250a 14a2bc30b4c14p(3b)36q(3b) 2(3b)m(3b)10036m2 16x236y24x225 (3xy)2(5xy)264144x81x2 (ab)28m(ab)16m29x212x4 9a26a(mn)(mn)2x28x12 x25x1412x247x45 181m285a270a2 6a3b3c10b2c8p(9b)32p(9b)

12、 4(9b)m(9b)164x2 2x232y249x236 (5xy)2(8xy)218y16y2 (xy)210m(xy)25m249y228y4 36a212a(mn)(mn)2x28x16 x27x182x224x40 4916m225a430a 2a3bc20b4c16p(y3)4p(y3) 6(y3)m(y3)8181b2 50x22y249b2324 (2x4y)2(6xy)21648a36a2 (ab)24m(ab)4m24n216n16 25a210a(xy)(xy)2x213x42 x25x368x236x16 8164y265a340a2 4ab2c70bc16q(9a)

13、32q(9a) 6(9a)m(9a)4964m2 75x248y236b2256 (x3y)2(x7y)23660y25y2 (ab)212m(ab)36m29y260y100 25a210a(mn)(mn)2x213x36 x28x2010x224x14 10064x245a260ab 12a3b2c50b414p(x8)28p(x8) 4(x8)m(x8)4925b2 36x216y225b2400 (5xy)2(5xy)214b4b2 (ab)210m(ab)25m249x2126x81 4a24a(xy)(xy)2x211x18 x25x502x227x70 6464y260a50a2

14、 20ab3c40bc18p(5b)28q(5b) 6(5b)m(5b)8181n2 64x264y20.49b2196 (6xy)2(8xy)214a4a2 (mn)210m(mn)25m24b232b64 9a26a(xy)(xy)2x213x40 x28x204x222x18 925m210a60ab 6a4bc70b36q(x5)28q(x5) 8(x5)m(x5)6416n2 3x275y20.64a281 (x3y)2(6x9y)21632n16n2 (mn)212m(mn)36m264m232m4 25a210a(mn)(mn)2x25x4 x25x69x221x12 3625x

15、2100a380a3b 12a2b2c30b2q(9a)12q(9a) 8(9a)m(9a)169y2 36x2100y20.04n2225 (xy)2(6x10y)2924a16a2 (mn)212m(mn)36m225b290b81 25a210a(mn)(mn)2x211x24 x29x102x220x48 10016n295a410a 4abc20b34q(9b)20p(9b) 4(9b)m(9b)19b2 18x218y20.64y2256 (xy)2(xy)281180a100a2 (ab)26m(ab)9m24b240b100 16a28a(mn)(mn)2x218x81 x24

16、x123x210x3 1009a240a30ab 2a4bc50b2c6p(3b)12q(3b) 8(3b)m(3b)936m2 36x264y20.64n2324 (5x5y)2(4xy)21664m64m2 (xy)26m(xy)9m264a2144a81 4a24a(ab)(ab)2x211x24 x26x169x230x25 494b220a490ab 12a4b3c40bc2p(y4)20q(y4) 8(y4)m(y4)8136y2 18x250y20.64y281 (9x3y)2(5x9y)2100100n25n2 (ab)210m(ab)25m281m236m4 9a26a(mn

17、)(mn)2x210x21 x23x184x223x28 25100a25a20ab 2a4bc60bc4q(1a)24p(1a) 6(1a)m(1a)164m2 3x248y24n225 (x2y)2(x7y)23672m36m2 (ab)28m(ab)16m264n2160n100 4a24a(ab)(ab)2x211x30 x24x3212x210x2 3649a270a20a2b 4abc50b44p(y3)20q(y3) 4(y3)m(y3)449y2 27x248y264m2121 (xy)2(8xy)2424b36b2 (ab)26m(ab)9m2100m2200m100 25a

18、210a(mn)(mn)2x28x16 x21x304x221x5 100100m210a30a 2a2bc20bc6p(x6)40q(x6) 4(x6)m(x6)644a2 18x232y20.09m281 (9x5y)2(3x9y)26432b4b2 (mn)26m(mn)9m249b2112b64 25a210a(mn)(mn)2x212x35 x26x4016x268x72 6436b285a320a 16abc20b3c14q(9a)16q(9a) 6(9a)m(9a)10064n2 100x24y29y264 (xy)2(x7y)249140b100b2 (mn)28m(mn)16

19、m281b2162b81 36a212a(ab)(ab)2x213x36 x28x93x212x12 99n235a80ab 16a3b3c80bc8q(3b)4p(3b) 8(3b)m(3b)3649m2 12x227y20.64a2144 (3x2y)2(4xy)2918y9y2 (ab)212m(ab)36m236a284a49 25a210a(ab)(ab)2x210x25 x21x303x24x1 364x250a40a3b 10a4bc30b6q(x8)24q(x8) 8(x8)m(x8)4100n2 36x236y20.64x2169 (xy)2(6xy)24928b4b2 (xy)210m(xy)25m2100y2180y81 25a210a(mn)(mn)2x212x36 x25x62x29x4 936x220a340a3 18a4b2c20b312q(x4)32p(x4) 4(x4)m(x4)8125n2 64x216y20.09m29 (xy)2(4xy)2