初二数学上册因式分解练习题大全91.docx

1、初二数学上册因式分解练习题大全9195a50a2b 18a2bc100b46p(9b)40p(9b) 6(9b)m(9b)6449a2 12x248y20.49n2256 (7xy)2(x9y)2936n36n2 (xy)24m(xy)4m236b224b4 36a212a(mn)(mn)2x215x56 x25x144x230x14 25100x270a460a4 12a4bc60b36p(7b)4p(7b) 4(7b)m(7b)116n2 4x2100y20.64n236 (5x2y)2(x8y)23624x4x2 (mn)24m(mn)4m216a272a81 16a28a(ab)(ab

2、)2x26x8 x26x72x211x5 4949x230a40a 2ab3c20bc16p(2a)36p(2a) 8(2a)m(2a)6464m2 48x212y20.81b225 (7xy)2(7xy)264160n100n2 (xy)212m(xy)36m236a2120a100 4a24a(mn)(mn)2x211x18 x24x123x27x4 8149n255a310a 8a3b3c70bc4p(7b)32p(7b) 4(7b)m(7b)6425n2 3x212y20.49x249 (xy)2(6x9y)2412b9b2 (ab)212m(ab)36m225a260a36 36a2

3、12a(mn)(mn)2x29x20 x25x2420x276x72 1616b260a350ab 14a4b3c30b44p(5a)8q(5a) 6(5a)m(5a)425a2 27x23y20.04m2100 (xy)2(5x8y)21640m25m2 (ab)210m(ab)25m225x230x9 4a24a(ab)(ab)2x28x12 x25x244x214x12 14m260a220ab 14a3b3c40b4c8p(y4)4q(y4) 8(y4)m(y4)10049m2 16x236y20.16y2144 (x6y)2(xy)21648a36a2 (mn)24m(mn)4m22

4、5n270n49 25a210a(mn)(mn)2x212x27 x27x308x218x7 8125y235a10ab 8abc60bc20q(x2)20p(x2) 4(x2)m(x2)164b2 32x22y281x216 (xy)2(4xy)21624a9a2 (ab)26m(ab)9m236a212a1 25a210a(xy)(xy)2x210x24 x29x108x248x54 936x285a90a 16a2b2c80bc4p(x1)4p(x1) 8(x1)m(x1)449x2 4x24y20.25n264 (x5y)2(3xy)264128m64m2 (xy)212m(xy)36

5、m24a228a49 36a212a(xy)(xy)2x27x6 x26x403x216x20 164x285a440a3 12ab3c70bc16p(3b)12q(3b) 2(3b)m(3b)4916x2 64x2100y20.81a2400 (xy)2(6x7y)2924y16y2 (ab)28m(ab)16m249x2112x64 36a212a(mn)(mn)2x28x15 x27x309x233x30 1649m230a370a3 14a3b3c100b420q(y9)8q(y9) 6(y9)m(y9)25100m2 8x28y225b225 (x2y)2(9x8y)236120m1

6、00m2 (ab)210m(ab)25m225x280x64 25a210a(mn)(mn)2x214x48 x24x4520x235x15 10064y290a20a 12abc20b32p(x9)32q(x9) 4(x9)m(x9)3649y2 16x236y29n29 (4x6y)2(x9y)24956b16b2 (mn)212m(mn)36m225a260a36 36a212a(xy)(xy)2x211x30 x24x3212x267x90 8164n255a320a3 16abc30b2c8p(2b)16p(2b) 2(2b)m(2b)4949y2 18x250y20.16n2324

7、 (xy)2(x10y)281126m49m2 (mn)24m(mn)4m236y224y4 4a24a(ab)(ab)2x217x72 x25x506x250x100 416y245a40a 4a3bc80b412q(3b)24p(3b) 4(3b)m(3b)949x2 32x232y20.04y281 (xy)2(xy)2936x36x2 (xy)26m(xy)9m29b212b4 16a28a(ab)(ab)2x25x4 x23x1812x244x40 169n275a70a 18abc10b3c10p(3a)4q(3a) 8(3a)m(3a)981n2 50x250y20.36b225

8、 (xy)2(x8y)2116b64b2 (xy)210m(xy)25m236m296m64 25a210a(mn)(mn)2x212x32 x24x2120x248x28 10016a280a90a2b 2ab3c40b420q(x7)28q(x7) 8(x7)m(x7)169y2 4x236y20.36b264 (3xy)2(5x7y)281144b64b2 (ab)26m(ab)9m29x212x4 16a28a(ab)(ab)2x27x10 x27x815x249x24 36100y260a80a2b 4ab3c10b2c6q(2a)20q(2a) 6(2a)m(2a)64100n2

9、100x216y29y29 (x4y)2(x7y)22530x9x2 (ab)210m(ab)25m216x28x1 25a210a(mn)(mn)2x26x9 x26x273x233x54 425a260a270a4 20a3bc40b410p(5b)8p(5b) 8(5b)m(5b)3681y2 2x250y264x2100 (7x6y)2(xy)21656n49n2 (mn)212m(mn)36m216y280y100 25a210a(mn)(mn)2x25x6 x25x68x240x42 2564n285a10a4b 2a3bc80bc10p(4a)16p(4a) 2(4a)m(4a)

10、464y2 100x216y281x2196 (3x3y)2(7x8y)281144b64b2 (xy)212m(xy)36m236b224b4 9a26a(ab)(ab)2x211x24 x25x506x248x90 925y260a90a2 2ab3c20b6p(5b)40p(5b) 2(5b)m(5b)819b2 12x248y236x225 (7x3y)2(xy)26464b16b2 (mn)210m(mn)25m264b232b4 4a24a(ab)(ab)2x213x40 x25x144x222x30 3636m230a280a3 8a4b3c90b3c4p(y1)36q(y1)

11、6(y1)m(y1)125m2 48x275y20.36b225 (3x4y)2(6xy)214y4y2 (xy)210m(xy)25m225b290b81 16a28a(xy)(xy)2x28x15 x29x103x230x27 14y290a80a 4a4b3c70b22p(x5)8p(x5) 2(x5)m(x5)6416m2 2x250y264n24 (9xy)2(x10y)2960m100m2 (xy)212m(xy)36m225a260a36 4a24a(xy)(xy)2x217x72 x24x458x232x30 9100n290a20a2 16abc70bc10q(x7)12p(

12、x7) 2(x7)m(x7)4100y2 18x250y264n2100 (x5y)2(x7y)281162n81n2 (mn)212m(mn)36m281y290y25 25a210a(ab)(ab)2x27x10 x23x4016x260x50 1004y25a60a3b 8ab3c30b6p(5b)40p(5b) 6(5b)m(5b)2525y2 27x227y20.04x2100 (xy)2(xy)22540b16b2 (xy)212m(xy)36m264n2112n49 36a212a(xy)(xy)2x24x4 x21x304x216x12 464y290a50a 16a3bc10

13、0bc20p(x3)36q(x3) 8(x3)m(x3)4916n2 8x250y225m216 (xy)2(9xy)2948y64y2 (ab)210m(ab)25m281b254b9 16a28a(mn)(mn)2x26x9 x24x219x251x70 6416n210a10ab 10a2bc80b210q(8a)24q(8a) 8(8a)m(8a)3625b2 3x275y20.04x24 (2x2y)2(6x8y)225100m100m2 (ab)24m(ab)4m24b228b49 9a26a(mn)(mn)2x211x18 x23x1812x235x25 4936n230a260

14、ab 18a4b2c70b12q(y2)8q(y2) 4(y2)m(y2)981x2 27x248y249a24 (7x3y)2(8x7y)2110y25y2 (xy)210m(xy)25m225m290m81 9a26a(ab)(ab)2x24x4 x26x4012x215x3 369x235a20a2 20a2b2c100bc18p(8a)28q(8a) 4(8a)m(8a)8164n2 2x250y225m2289 (5xy)2(5xy)21648b36b2 (xy)24m(xy)4m236n2108n81 16a28a(xy)(xy)2x26x9 x21x303x227x42 8110

15、0m245a100a3b 12a4b3c70bc14q(y3)20q(y3) 8(y3)m(y3)499n2 18x232y236b281 (x4y)2(x10y)23636x9x2 (mn)210m(mn)25m281x2108x36 16a28a(mn)(mn)2x27x12 x25x69x251x70 981y265a60ab 12ab3c60b212p(x4)32p(x4) 6(x4)m(x4)10036n2 36x236y225b2289 (7xy)2(xy)2100200y100y2 (ab)24m(ab)4m29a254a81 16a28a(xy)(xy)2x215x56 x25

16、x366x215x9 8125m215a440ab 8a4b3c30bc14q(8b)24p(8b) 6(8b)m(8b)10016x2 75x275y20.16n2196 (4xy)2(2x8y)210040x4x2 (xy)28m(xy)16m264a232a4 25a210a(xy)(xy)2x214x49 x26x405x252x20 16100x235a350a 12ab2c30bc6p(y8)16p(y8) 6(y8)m(y8)8125a2 2x22y29b29 (x3y)2(x8y)22580b64b2 (mn)28m(mn)16m249m298m49 4a24a(ab)(ab)

17、2x24x3 x22x2420x269x54 44n295a70a4b 18abc10bc20p(9b)12q(9b) 2(9b)m(9b)10036a2 4x24y236y2400 (9xy)2(9xy)21672x81x2 (xy)24m(xy)4m236a260a25 25a210a(ab)(ab)2x29x18 x25x505x223x24 10081y215a60a4b 8a4b3c80bc10q(5b)20p(5b) 2(5b)m(5b)644y2 64x236y216b24 (x4y)2(7xy)2948x64x2 (xy)26m(xy)9m249x256x16 36a212a(

18、ab)(ab)2x214x48 x25x508x222x9 4100a2100a40a 2a3b3c90bc14q(1a)20p(1a) 2(1a)m(1a)1004y2 8x22y24m2196 (xy)2(xy)22590b81b2 (xy)28m(xy)16m24b240b100 9a26a(ab)(ab)2x212x27 x25x66x230x36 6449b265a3100a 6a3b2c100bc16q(y2)28q(y2) 8(y2)m(y2)14m2 12x227y20.25b2144 (xy)2(3xy)2440n100n2 (mn)212m(mn)36m29a254a81

19、9a26a(mn)(mn)2x210x24 x26x275x259x90 4925a260a70a4 4abc80bc20p(4a)32q(4a) 4(4a)m(4a)14m2 27x275y20.36b225 (xy)2(x10y)2948b64b2 (ab)24m(ab)4m236x236x9 4a24a(xy)(xy)2x213x42 x23x4012x254x54 164n275a40a4b 12a3bc60b2c18p(3b)20q(3b) 8(3b)m(3b)416y2 50x250y281a2400 (3x4y)2(x8y)23648y16y2 (ab)28m(ab)16m24x232x64 16a28a(xy)(xy)2x211x24 x21x303x223x14 100100x225a220a 4a4bc20b2c18p(x3)28q(x3) 2(x3)m(x3)9100n2 36x2100y281m2361 (8x4y)2(xy)2