初二数学上册因式分解练习题大全1.docx

1、初二数学上册因式分解练习题大全195a20ab 10a2b3c90bc14q(9a)20p(9a) 2(9a)m(9a)481y2 3x23y216x2324 (7xy)2(x9y)2100120n36n2 (xy)24m(xy)4m236y296y64 36a212a(ab)(ab)2x213x36 x27x84x210x6 916n265a210a 4a2bc40b414p(8a)20p(8a) 4(8a)m(8a)94a2 16x2100y236b216 (3xy)2(xy)23672y36y2 (xy)24m(xy)4m29y218y9 9a26a(mn)(mn)2x29x20 x28

2、x916x232x7 814a225a20a3b 12a3b2c30b12q(1a)12p(1a) 6(1a)m(1a)464a2 75x23y249b2225 (xy)2(xy)26448x9x2 (mn)26m(mn)9m264x2128x64 36a212a(ab)(ab)2x211x18 x25x1416x236x14 44b265a100ab 12ab3c90b20p(2a)4p(2a) 2(2a)m(2a)4916y2 27x23y20.16x2100 (5xy)2(9xy)214m4m2 (mn)28m(mn)16m2100x2140x49 4a24a(xy)(xy)2x215x

3、56 x27x1812x237x21 1009n260a460a4b 18ab3c60bc20p(y6)32q(y6) 8(y6)m(y6)3636a2 36x24y281m2289 (3x5y)2(4xy)22570y49y2 (mn)24m(mn)4m249b2112b64 36a212a(mn)(mn)2x215x54 x26x4012x241x24 10036y255a10a2 2a2bc30b2c4q(x1)8q(x1) 8(x1)m(x1)10064b2 8x250y20.36m236 (xy)2(9x9y)21656y49y2 (mn)210m(mn)25m225n220n4 9

4、a26a(mn)(mn)2x28x15 x24x328x256x80 644n225a80ab 14ab2c60b416q(y6)8p(y6) 4(y6)m(y6)3664m2 16x24y20.16b2400 (4x5y)2(xy)2112b36b2 (ab)24m(ab)4m225n280n64 16a28a(mn)(mn)2x215x54 x22x352x222x48 49a230a10a4 14abc90b320p(4a)36q(4a) 4(4a)m(4a)4949y2 12x212y20.09x2121 (xy)2(9xy)2424b36b2 (ab)28m(ab)16m249x28

5、4x36 25a210a(xy)(xy)2x27x12 x27x182x210x12 116n25a2100a2b 12a3bc60b2c20p(x3)12p(x3) 2(x3)m(x3)64100m2 100x24y236b2100 (7xy)2(3xy)26480b25b2 (ab)24m(ab)4m24x232x64 16a28a(mn)(mn)2x28x15 x26x4015x236x12 125b2100a20a3 14a2b3c60b420q(y6)24p(y6) 4(y6)m(y6)99x2 36x216y20.25b281 (8x4y)2(8xy)21664n64n2 (xy)

6、26m(xy)9m29m230m25 4a24a(mn)(mn)2x211x18 x21x306x238x60 425x280a30a 10abc10b410q(2a)28q(2a) 2(2a)m(2a)3616y2 12x275y20.16m2324 (x2y)2(3xy)210080n16n2 (ab)210m(ab)25m225a240a16 36a212a(xy)(xy)2x210x21 x29x1016x244x28 49100a240a230a 18abc70b214q(y2)24q(y2) 6(y2)m(y2)10025a2 16x264y281b21 (7xy)2(5xy)29

7、30m25m2 (mn)26m(mn)9m2100m260m9 16a28a(xy)(xy)2x213x36 x25x5016x240x9 449x255a30ab 14a3b3c30b4c10p(3a)12p(3a) 6(3a)m(3a)4100a2 36x24y20.81a29 (x2y)2(x7y)2110b25b2 (ab)28m(ab)16m225x270x49 4a24a(mn)(mn)2x218x81 x23x4020x266x54 3664x280a20a 2ab3c30bc12p(7a)28p(7a) 2(7a)m(7a)8125y2 4x216y20.04b236 (6x2

8、y)2(4xy)2100140b49b2 (ab)28m(ab)16m264m2128m64 9a26a(ab)(ab)2x27x6 x27x188x236x16 164b245a10a4b 20a2b3c80bc14p(x2)32q(x2) 4(x2)m(x2)4936m2 75x248y20.09x2361 (x6y)2(x9y)2100100m25m2 (mn)210m(mn)25m236n284n49 25a210a(xy)(xy)2x28x15 x23x402x26x4 4100y240a310a3 8ab2c90b16p(4a)20p(4a) 2(4a)m(4a)2581x2 48

9、x227y29n21 (9xy)2(3xy)2936b36b2 (ab)26m(ab)9m2100b220b1 16a28a(mn)(mn)2x211x30 x28x2012x224x12 169n250a310ab 20abc60b34p(4b)12q(4b) 2(4b)m(4b)916b2 27x275y225m2289 (8x4y)2(6x8y)210080b16b2 (ab)212m(ab)36m281x236x4 36a212a(ab)(ab)2x214x45 x24x219x239x36 3681y280a60a 10a4bc50b418p(x7)40q(x7) 4(x7)m(x7

10、)925n2 2x250y20.81a2100 (xy)2(6x10y)22540b16b2 (ab)26m(ab)9m281a2108a36 9a26a(mn)(mn)2x27x12 x24x326x212x6 181n240a90a4 20abc10b4c14q(1b)8q(1b) 2(1b)m(1b)259y2 75x212y264b216 (8x6y)2(9xy)22520a4a2 (mn)210m(mn)25m216m240m25 16a28a(xy)(xy)2x210x24 x22x3512x232x16 369n2100a10a 20ab3c30bc18p(y6)16p(y6)

11、6(y6)m(y6)649n2 16x2100y225b2361 (xy)2(xy)23624x4x2 (ab)26m(ab)9m236m272m36 4a24a(xy)(xy)2x211x30 x22x3512x241x24 169a245a60a 12abc90b38q(5a)24p(5a) 4(5a)m(5a)2581a2 48x275y264b29 (xy)2(8x9y)214n4n2 (ab)24m(ab)4m236y2120y100 16a28a(ab)(ab)2x27x6 x25x142x29x9 3681a220a240a2 18abc60b16q(7a)12p(7a) 6(7

12、a)m(7a)2581b2 2x232y20.09y2196 (xy)2(3x10y)24942y9y2 (xy)24m(xy)4m24m216m16 4a24a(mn)(mn)2x26x5 x28x920x256x36 1681a245a90a2 2a4b2c80bc8p(x7)24p(x7) 4(x7)m(x7)936y2 64x264y24b2400 (xy)2(x10y)23624x4x2 (xy)212m(xy)36m249x2112x64 16a28a(xy)(xy)2x210x16 x26x4012x247x45 19y220a420a3b 18abc80bc2q(8b)12p(

13、8b) 8(8b)m(8b)149n2 18x250y20.16m2361 (4x4y)2(2xy)26496a36a2 (mn)210m(mn)25m2100b2180b81 16a28a(ab)(ab)2x27x12 x25x2412x231x20 4949y285a20ab 2ab2c50b2c6p(5b)4q(5b) 8(5b)m(5b)4949x2 16x24y249y2256 (x3y)2(x7y)21648y36y2 (mn)28m(mn)16m225b210b1 4a24a(xy)(xy)2x217x72 x23x182x218x40 3625a210a370a 4ab3c80

14、b34p(y7)12q(y7) 6(y7)m(y7)4925y2 27x212y249m216 (9x4y)2(xy)24942y9y2 (mn)28m(mn)16m2100b280b16 4a24a(xy)(xy)2x213x36 x25x5012x225x12 6436n285a60a 6ab2c90b4c8q(6a)8p(6a) 4(6a)m(6a)364m2 27x212y249n2144 (5x6y)2(x7y)2112a36a2 (mn)212m(mn)36m29b254b81 16a28a(xy)(xy)2x213x42 x26x274x226x42 164y245a10a4b

15、10abc70bc10q(x3)28p(x3) 4(x3)m(x3)425a2 50x232y20.36b249 (4xy)2(xy)24928x4x2 (xy)210m(xy)25m216b28b1 16a28a(xy)(xy)2x26x9 x26x79x227x20 981m25a370ab 16a4b3c70bc2q(x8)4q(x8) 4(x8)m(x8)4949x2 64x24y20.16m216 (6xy)2(4xy)26464x16x2 (mn)210m(mn)25m264a2160a100 9a26a(xy)(xy)2x27x10 x26x164x232x64 8181n250

16、a100a 4a3bc20bc2p(4a)20p(4a) 6(4a)m(4a)9100x2 50x250y29m2400 (xy)2(9xy)2936x36x2 (xy)28m(xy)16m236x248x16 25a210a(ab)(ab)2x29x20 x26x1612x233x21 14x250a2100a2b 8a4bc70b22p(x8)32q(x8) 8(x8)m(x8)94y2 8x28y225b21 (x5y)2(2x10y)21632n16n2 (xy)26m(xy)9m216a232a16 36a212a(mn)(mn)2x213x42 x25x1410x226x12 16

17、9x265a90a 6a3bc30b2c4p(1a)12q(1a) 4(1a)m(1a)1664m2 2x250y20.25y2121 (7xy)2(xy)23696y64y2 (xy)28m(xy)16m2100x260x9 36a212a(mn)(mn)2x213x42 x25x508x218x9 4981y265a370a 12abc40bc14p(4b)40p(4b) 6(4b)m(4b)3636m2 75x212y24n216 (x5y)2(xy)2930n25n2 (mn)28m(mn)16m225b2100b100 25a210a(ab)(ab)2x211x30 x25x146x

18、228x32 2536m210a50ab 16a4bc100b6q(8b)16p(8b) 2(8b)m(8b)10081m2 32x28y20.09m281 (xy)2(3xy)2100200x100x2 (mn)26m(mn)9m264y2160y100 9a26a(xy)(xy)2x29x20 x27x1810x239x35 4981b285a30a3b 20a3b2c20bc20p(2b)36p(2b) 6(2b)m(2b)149n2 100x216y20.25x2361 (7xy)2(xy)281126b49b2 (xy)26m(xy)9m24n240n100 25a210a(ab)(

19、ab)2x212x32 x24x322x219x35 14m245a20a2b 6abc70b2q(x4)24q(x4) 4(x4)m(x4)2581a2 8x22y216m24 (2x5y)2(xy)2918b9b2 (xy)24m(xy)4m236m224m4 9a26a(ab)(ab)2x29x20 x25x610x256x64 464b225a20a 6ab2c10b2c8p(x1)4p(x1) 6(x1)m(x1)369n2 50x232y20.64b225 (4xy)2(2x8y)249112x64x2 (mn)212m(mn)36m249y242y9 9a26a(xy)(xy)2x28x16 x26x716x236x14 164y230a470ab 4ab3c20b4c18p(3a)12p(3a) 2(3a)m(3a)4925b2 100x216y236a236 (6x3y)2(5x10y)2