初二数学上册因式分解练习题大全44.docx

1、初二数学上册因式分解练习题大全44428x49x2 (xy)212m(xy)36m24x236x81 36a212a(mn)(mn)2x211x30 x22x358x230x25 36100n270a30a2b 20a3b2c30b2c2q(x3)16p(x3) 4(x3)m(x3)4100n2 3x23y20.25m24 (x4y)2(xy)2428m49m2 (mn)26m(mn)9m249x270x25 25a210a(ab)(ab)2x212x35 x26x408x216x8 3664y295a40a4b 20abc50b4q(5b)8q(5b) 2(5b)m(5b)181n2 64x

2、216y20.09a2289 (xy)2(3xy)210060b9b2 (mn)26m(mn)9m281n2126n49 4a24a(xy)(xy)2x29x18 x25x3612x250x48 259a295a30a 18a4bc80b44q(y8)28p(y8) 2(y8)m(y8)4100b2 16x236y24n2100 (xy)2(7xy)2918b9b2 (xy)24m(xy)4m236a248a16 36a212a(mn)(mn)2x216x64 x28x208x258x90 49100a265a70a 20ab2c70bc18q(y7)40p(y7) 2(y7)m(y7)100

3、81n2 27x275y20.09m21 (2x3y)2(2x10y)2918a9a2 (mn)26m(mn)9m216m248m36 36a212a(ab)(ab)2x212x36 x27x88x214x6 254b245a10a 16abc10b4c18q(7b)20p(7b) 6(7b)m(7b)925m2 48x275y216x2256 (x5y)2(xy)21680m100m2 (xy)26m(xy)9m2100a2140a49 16a28a(mn)(mn)2x212x35 x26x169x230x24 6436y265a310a4b 8abc20bc14q(x6)24q(x6) 2

4、(x6)m(x6)449b2 64x236y20.64a21 (x2y)2(xy)2428m49m2 (mn)210m(mn)25m225a290a81 9a26a(mn)(mn)2x211x30 x25x2420x256x36 44a2100a70a 4a4b3c100b214p(5a)4p(5a) 6(5a)m(5a)4949m2 64x236y20.04n29 (xy)2(7xy)264144m81m2 (mn)24m(mn)4m29y236y36 25a210a(ab)(ab)2x29x18 x27x1810x228x16 814a270a3100a 18a4bc80bc12p(9a)

5、4q(9a) 4(9a)m(9a)1649x2 100x2100y20.81m2361 (6xy)2(9xy)281180y100y2 (ab)24m(ab)4m24b228b49 36a212a(ab)(ab)2x24x4 x25x509x224x7 10016a240a490a 14a3b2c90b2q(6a)32q(6a) 2(6a)m(6a)494b2 75x212y225x281 (6xy)2(2x10y)2100180y81y2 (xy)212m(xy)36m236b2120b100 36a212a(ab)(ab)2x27x12 x22x248x228x20 10025y240a6

6、0ab 18a3b2c20b3c20q(x3)12q(x3) 2(x3)m(x3)125m2 8x218y20.36x2225 (xy)2(7xy)2918y9y2 (mn)24m(mn)4m225m270m49 25a210a(xy)(xy)2x28x15 x24x329x227x8 181a210a20a3b 14ab2c30bc20p(x3)32q(x3) 8(x3)m(x3)936y2 12x23y24a2400 (xy)2(xy)249112n64n2 (xy)28m(xy)16m281a254a9 4a24a(mn)(mn)2x210x24 x24x216x244x80 1009b

7、295a220a3 18a2bc100b34p(5b)28q(5b) 4(5b)m(5b)8149x2 50x232y20.81b2121 (5xy)2(xy)23684b49b2 (xy)24m(xy)4m2100x280x16 4a24a(mn)(mn)2x28x12 x23x404x224x27 164x240a70a2 18abc30bc2q(2b)24p(2b) 6(2b)m(2b)116y2 18x22y264x2121 (xy)2(x9y)2930a25a2 (mn)212m(mn)36m249x228x4 16a28a(mn)(mn)2x214x48 x26x72x29x9 1

8、625m290a60a3b 18abc40b14p(8a)4q(8a) 6(8a)m(8a)6449n2 16x216y249x2144 (3x5y)2(2xy)2412a9a2 (xy)28m(xy)16m236a296a64 36a212a(xy)(xy)2x27x10 x25x69x230x9 4925b225a330a 10abc60b320q(x8)32q(x8) 4(x8)m(x8)3616n2 64x216y216x281 (xy)2(xy)21680y100y2 (xy)210m(xy)25m264m280m25 36a212a(xy)(xy)2x216x63 x27x183x

9、229x56 819n210a330ab 12a3bc10b44p(4b)20q(4b) 6(4b)m(4b)964y2 12x227y20.09x2121 (5xy)2(xy)28154b9b2 (ab)28m(ab)16m2100x280x16 4a24a(xy)(xy)2x216x63 x29x108x236x40 8136x270a320a 8a4b3c60bc14q(6b)28p(6b) 6(6b)m(6b)819x2 100x264y20.36y2144 (5x3y)2(5x10y)21680b100b2 (xy)26m(xy)9m24a236a81 25a210a(xy)(xy)

10、2x29x20 x28x92x222x56 8116y235a40ab 2a2b3c50b4c10q(x4)16q(x4) 4(x4)m(x4)94b2 27x23y20.16b21 (3xy)2(2x9y)236120y100y2 (ab)212m(ab)36m24a220a25 25a210a(mn)(mn)2x212x35 x23x184x210x4 499m25a30a 4a3b2c50b4q(x2)20p(x2) 6(x2)m(x2)1636y2 16x24y29m264 (xy)2(7x7y)214n4n2 (ab)210m(ab)25m281a272a16 36a212a(mn)

11、(mn)2x217x72 x23x2816x268x70 6416a225a330a 6abc80bc6p(6a)36p(6a) 4(6a)m(6a)2581x2 2x250y281y249 (9x2y)2(xy)21624a9a2 (mn)212m(mn)36m225y240y16 25a210a(mn)(mn)2x214x45 x28x204x222x24 6481m235a10ab 10a3b2c40bc10p(5b)4p(5b) 4(5b)m(5b)364y2 50x28y24n2121 (4x5y)2(x7y)24956n16n2 (xy)210m(xy)25m281m2126m49

12、 4a24a(ab)(ab)2x215x54 x25x505x27x2 14a235a270ab 20ab2c70b6p(y4)32p(y4) 4(y4)m(y4)2536y2 16x24y29y2400 (xy)2(x8y)2100160b64b2 (ab)24m(ab)4m216m28m1 36a212a(ab)(ab)2x216x63 x27x306x221x9 164m210a90ab 6a4b2c60b4c20p(x9)40q(x9) 2(x9)m(x9)49100y2 4x236y264a24 (xy)2(2x10y)24942n9n2 (ab)210m(ab)25m264x212

13、8x64 4a24a(xy)(xy)2x210x25 x26x406x241x70 94n235a90a3 20a4bc50b12p(x6)32q(x6) 6(x6)m(x6)1681b2 75x227y249a2324 (xy)2(x7y)21616b4b2 (mn)28m(mn)16m24n216n16 9a26a(ab)(ab)2x213x42 x27x188x234x30 369b245a220a2 2abc80b418p(8b)4q(8b) 2(8b)m(8b)6425x2 16x24y20.36b249 (x2y)2(xy)2110b25b2 (xy)212m(xy)36m29m2

14、30m25 36a212a(mn)(mn)2x216x63 x24x216x236x48 44a255a310a 4abc100b214q(x7)32q(x7) 8(x7)m(x7)925x2 48x275y29a2225 (3x3y)2(9xy)23648a16a2 (xy)24m(xy)4m281b2144b64 4a24a(xy)(xy)2x27x10 x24x123x224x21 1100b220a50a2b 10ab3c40bc18q(x5)12p(x5) 2(x5)m(x5)6436a2 36x236y264n2361 (x5y)2(9x9y)22590y81y2 (ab)28m(

15、ab)16m216n232n16 16a28a(ab)(ab)2x25x4 x21x306x243x72 164m2100a40a 12ab3c40b4c8p(x5)4p(x5) 4(x5)m(x5)8136a2 12x248y20.16n2400 (xy)2(9xy)2416y16y2 (mn)210m(mn)25m249x256x16 4a24a(xy)(xy)2x210x24 x24x2110x238x24 3616m245a30a3b 8abc60b4q(3a)20q(3a) 8(3a)m(3a)916m2 48x23y24m249 (xy)2(xy)21632y16y2 (mn)26

16、m(mn)9m2100a2160a64 9a26a(xy)(xy)2x211x24 x26x402x224x40 14m295a220a3 18a3bc70bc2q(y5)4q(y5) 8(y5)m(y5)964a2 100x236y264m24 (9x3y)2(5xy)21656y49y2 (xy)26m(xy)9m249b284b36 25a210a(xy)(xy)2x212x27 x28x209x230x16 3616m255a290a 6ab3c90b4q(7a)40q(7a) 2(7a)m(7a)925b2 36x24y20.36x2361 (8xy)2(xy)210080y16y2

17、 (xy)212m(xy)36m281y2108y36 36a212a(ab)(ab)2x217x72 x23x186x220x6 6425x290a440a 16a2b2c80b3c6p(x8)36q(x8) 8(x8)m(x8)100100m2 100x2100y20.36x2196 (7xy)2(2xy)23648m16m2 (mn)210m(mn)25m29a242a49 9a26a(ab)(ab)2x210x16 x25x362x213x6 6481b285a220a 16ab3c90b2c2q(8b)32p(8b) 8(8b)m(8b)364y2 16x264y20.16n225

18、(x6y)2(x7y)218m16m2 (ab)28m(ab)16m29y236y36 4a24a(mn)(mn)2x214x49 x24x128x252x60 1625x260a100a2b 10ab2c50b4q(6a)12q(6a) 4(6a)m(6a)6464n2 8x28y20.49a2256 (xy)2(4xy)2114a49a2 (xy)28m(xy)16m2100b260b9 9a26a(ab)(ab)2x24x4 x24x215x227x28 8181m240a70a 20a4bc10b2p(9a)40p(9a) 2(9a)m(9a)2536a2 3x23y216x21 (3

19、xy)2(x9y)28154m9m2 (xy)212m(xy)36m2100a2180a81 16a28a(mn)(mn)2x214x45 x23x1812x223x10 125m245a370a4b 8a4b3c50b3c2q(x7)12q(x7) 2(x7)m(x7)10016a2 4x2100y249a2256 (xy)2(x10y)2120b100b2 (xy)28m(xy)16m2100m2180m81 9a26a(ab)(ab)2x29x18 x26x165x224x27 6449x265a80ab 12ab3c90b3c20q(x6)36q(x6) 2(x6)m(x6)136n2 16x216y20.81b29 (xy)2(2x10y)23636x9x2 (xy)26m(xy)9m236x284x49 9a26a(ab)(ab)2x29x20 x22x356x219x10 36100x2