1、人教版初中八年级数学上册因式分解练习题大全6070a60ab 10ab3c80b212p(8b)24q(8b) 8(8b)m(8b)1649n2 75x248y249x2256 (5xy)2(6xy)21640x25x2 (ab)24m(ab)4m264y2112y49 25a210a(mn)(mn)270a490a2 20a3bc100b4p(x6)16p(x6) 4(x6)m(x6)436b2 4x2100y24b216 (x6y)2(6xy)2100200y100y2 (ab)24m(ab)4m264m296m36 16a28a(xy)(xy)260a20ab 4a3bc90bc16q(
2、6a)32q(6a) 8(6a)m(6a)819x2 64x24y20.36n249 (xy)2(x8y)21632a16a2 (ab)28m(ab)16m225y290y81 25a210a(ab)(ab)275a420ab 10a4bc50b3c4q(4b)16q(4b) 2(4b)m(4b)4936m2 48x275y20.81b216 (2x6y)2(4xy)264112m49m2 (mn)212m(mn)36m236a248a16 9a26a(xy)(xy)240a60a2 6a2bc10b418q(x7)4p(x7) 4(x7)m(x7)981y2 36x236y20.64a281
3、 (x3y)2(xy)264128a64a2 (xy)212m(xy)36m225x280x64 16a28a(ab)(ab)265a210ab 6a4b3c20bc2q(5b)20q(5b) 4(5b)m(5b)81100m2 48x275y20.16a236 (xy)2(x8y)2942a49a2 (ab)212m(ab)36m264m264m16 4a24a(ab)(ab)245a280a3b 20ab3c40b3c14p(y6)16p(y6) 2(y6)m(y6)8116x2 18x22y249m2100 (x5y)2(3xy)214n4n2 (xy)212m(xy)36m249m27
4、0m25 4a24a(ab)(ab)280a3100a 10ab2c80b3c4p(1b)24q(1b) 8(1b)m(1b)1636x2 50x232y20.04x2361 (xy)2(xy)210080b16b2 (ab)24m(ab)4m236y236y9 25a210a(xy)(xy)280a220a4 6ab2c90b2c2q(4b)32p(4b) 2(4b)m(4b)19x2 36x216y20.36m2256 (xy)2(xy)24942x9x2 (xy)212m(xy)36m216x248x36 4a24a(mn)(mn)230a90a4b 10ab2c20bc10p(5a)1
5、2q(5a) 4(5a)m(5a)811n2 50x28y264y2169 (5x2y)2(x8y)2930y25y2 (mn)212m(mn)36m264b2128b64 9a26a(mn)(mn)260a240a3 12a3b3c70b4c12p(x9)8p(x9) 8(x9)m(x9)1616b2 3x275y249m29 (7x3y)2(8xy)23624b4b2 (xy)212m(xy)36m24y228y49 4a24a(ab)(ab)215a50a2 10abc20bc8q(7a)28p(7a) 8(7a)m(7a)449n2 2x232y264x281 (x4y)2(xy)21
6、12a36a2 (ab)28m(ab)16m2100b2200b100 25a210a(ab)(ab)250a380a4b 6abc20bc2q(1a)24p(1a) 8(1a)m(1a)8116y2 8x22y20.04m236 (3xy)2(9x10y)2412x9x2 (ab)210m(ab)25m24m212m9 36a212a(xy)(xy)270a70a2b 16a4b2c20b4p(x9)24q(x9) 4(x9)m(x9)64100x2 48x275y24x216 (2xy)2(xy)264128y64y2 (mn)210m(mn)25m281b272b16 9a26a(mn)
7、(mn)275a30a 2a2bc30b3c14q(1b)8p(1b) 6(1b)m(1b)8164x2 32x218y20.09n281 (xy)2(2x7y)2100160y64y2 (mn)28m(mn)16m24n228n49 4a24a(xy)(xy)2100a90a4b 18a2b3c30b10q(2a)24p(2a) 6(2a)m(2a)10036a2 8x250y24x2100 (x4y)2(xy)210060b9b2 (mn)212m(mn)36m249x2140x100 16a28a(mn)(mn)255a250a3 6a3bc20b4c10p(2a)16p(2a) 4(2
8、a)m(2a)161y2 2x28y24m2361 (x3y)2(x10y)26432b4b2 (mn)28m(mn)16m29a26a1 16a28a(ab)(ab)290a30ab 14abc50bc6p(y7)8q(y7) 2(y7)m(y7)1681b2 8x232y20.64y2256 (7xy)2(xy)26496n36n2 (ab)210m(ab)25m225a240a16 16a28a(mn)(mn)210a2100ab 8a3bc10b4c20q(y9)12q(y9) 6(y9)m(y9)3636y2 8x218y216y2289 (xy)2(xy)22530y9y2 (mn
9、)24m(mn)4m29a230a25 4a24a(ab)(ab)285a40a4 6abc100b3c12p(y5)36p(y5) 4(y5)m(y5)149n2 100x24y24m225 (7x4y)2(x8y)264160y100y2 (xy)28m(xy)16m2100n220n1 16a28a(mn)(mn)235a230ab 18a2bc20b4c16p(7a)4q(7a) 6(7a)m(7a)10016b2 50x232y281m2400 (4x6y)2(x7y)23660b25b2 (mn)28m(mn)16m249n2112n64 36a212a(xy)(xy)265a22
10、0a2 8abc80b14p(x5)28p(x5) 2(x5)m(x5)464b2 16x2100y20.16a2169 (xy)2(2xy)281108a36a2 (mn)26m(mn)9m2100m2200m100 4a24a(mn)(mn)250a330ab 12ab2c20b20q(x9)8p(x9) 6(x9)m(x9)181m2 12x23y281x2196 (x6y)2(5xy)24942y9y2 (mn)210m(mn)25m216a216a4 16a28a(mn)(mn)250a240a 12ab3c50b4c18p(8b)8p(8b) 8(8b)m(8b)2536a2 64
11、x264y281x2121 (x6y)2(3xy)24998y49y2 (mn)212m(mn)36m281m218m1 16a28a(ab)(ab)265a260a3b 4abc50b416p(y2)28p(y2) 8(y2)m(y2)964x2 8x28y236n2144 (4x6y)2(x8y)23684b49b2 (mn)28m(mn)16m249n2112n64 4a24a(ab)(ab)210a220a4b 14abc10b4c2p(3a)16q(3a) 8(3a)m(3a)9100n2 16x2100y225y2196 (x6y)2(x7y)23696y64y2 (xy)212m
12、(xy)36m281n290n25 36a212a(ab)(ab)210a90a3b 8ab3c100bc6p(4a)4q(4a) 4(4a)m(4a)161n2 8x218y20.25n249 (4xy)2(x8y)2100100b25b2 (xy)26m(xy)9m249y228y4 36a212a(mn)(mn)220a220a 6a2bc80bc16q(x8)8p(x8) 8(x8)m(x8)64100n2 36x236y281b2169 (8xy)2(7xy)2118a81a2 (ab)212m(ab)36m216m272m81 9a26a(xy)(xy)25a40a 20ab3c1
13、0b4c12p(x8)24p(x8) 2(x8)m(x8)499b2 12x212y20.04a2324 (7x5y)2(xy)281108m36m2 (mn)26m(mn)9m2100x2160x64 25a210a(ab)(ab)290a240a 4a3bc50bc6p(6b)32p(6b) 2(6b)m(6b)8149m2 8x22y20.81m264 (x4y)2(x7y)2954a81a2 (ab)210m(ab)25m2100x2180x81 36a212a(xy)(xy)220a40a 2a2bc60b320p(x6)16p(x6) 2(x6)m(x6)11m2 8x250y20
14、.36n2100 (xy)2(4x7y)22540m16m2 (xy)210m(xy)25m236m2120m100 4a24a(ab)(ab)250a40a3 4abc60b3c4q(5b)8q(5b) 2(5b)m(5b)251n2 2x218y20.04n2289 (xy)2(x7y)24942n9n2 (xy)24m(xy)4m225y240y16 9a26a(mn)(mn)240a350ab 10a3b3c40b414q(x5)28p(x5) 2(x5)m(x5)814a2 8x22y236x2289 (xy)2(xy)21680n100n2 (xy)212m(xy)36m24y23
15、2y64 16a28a(xy)(xy)225a10ab 4a3b2c20b46q(y6)24p(y6) 2(y6)m(y6)981m2 4x2100y264m281 (3xy)2(x9y)2936n36n2 (ab)210m(ab)25m264a264a16 16a28a(ab)(ab)285a60a 18abc50b216q(8b)24q(8b) 4(8b)m(8b)3625m2 48x248y20.36b24 (x4y)2(xy)23648n16n2 (xy)28m(xy)16m216y232y16 36a212a(mn)(mn)270a340a3 16abc40b2c18q(x2)8q(
16、x2) 6(x2)m(x2)364x2 64x264y20.36b2256 (x2y)2(xy)2930b25b2 (mn)24m(mn)4m281y2144y64 9a26a(mn)(mn)295a60a4 2a3b3c50b412q(x5)40q(x5) 2(x5)m(x5)9100x2 3x248y225n2169 (6x5y)2(3xy)225100m100m2 (xy)210m(xy)25m2100b240b4 16a28a(ab)(ab)295a390a2b 2abc60b2p(x4)28p(x4) 2(x4)m(x4)36100m2 48x227y216a249 (xy)2(xy
17、)21648a36a2 (ab)28m(ab)16m249n214n1 4a24a(ab)(ab)290a370a3b 8abc30b312q(9b)40q(9b) 2(9b)m(9b)449m2 18x28y20.36a264 (7xy)2(2x7y)2440n100n2 (ab)26m(ab)9m2100b2200b100 25a210a(ab)(ab)255a320a3b 4a3bc70bc6q(y3)12p(y3) 8(y3)m(y3)10049x2 2x22y264b2400 (6x6y)2(5x8y)21624x9x2 (xy)26m(xy)9m281n2144n64 4a24a(
18、mn)(mn)25a4100ab 18a4bc70b32q(8b)4q(8b) 8(8b)m(8b)149m2 4x236y20.09a2100 (xy)2(6x9y)2118n81n2 (mn)28m(mn)16m29a236a36 9a26a(ab)(ab)245a100a2b 4ab2c70b16q(x8)36q(x8) 2(x8)m(x8)2516m2 36x24y20.04y2196 (3xy)2(9x10y)21664m64m2 (mn)210m(mn)25m225b240b16 16a28a(mn)(mn)235a20a3 20ab3c70b6p(4a)4p(4a) 2(4a)m
19、(4a)1625m2 12x227y249b264 (x3y)2(8x10y)23696n64n2 (ab)24m(ab)4m249m298m49 25a210a(ab)(ab)215a40a3b 18a4bc90b8p(y2)8q(y2) 2(y2)m(y2)811x2 48x212y236y2225 (x3y)2(x8y)236120m100m2 (xy)26m(xy)9m225m210m1 25a210a(mn)(mn)215a430ab 8ab2c20bc6q(x8)24p(x8) 4(x8)m(x8)1009a2 3x248y20.16m29 (xy)2(xy)2420n25n2 (
20、xy)212m(xy)36m24b228b49 4a24a(ab)(ab)225a250a4b 10a2b2c80bc14q(x6)4p(x6) 6(x6)m(x6)161b2 8x28y20.36b236 (7x3y)2(9x9y)249112m64m2 (ab)212m(ab)36m225x260x36 4a24a(ab)(ab)220a380a3b 10ab2c100b3c18q(8b)24q(8b) 4(8b)m(8b)6436x2 4x236y249a281 (5x6y)2(4xy)24970n25n2 (ab)212m(ab)36m264y2112y49 36a212a(xy)(x
21、y)25a230a 6abc90b4c4p(7b)12q(7b) 8(7b)m(7b)10036b2 32x232y20.64m2121 (x2y)2(xy)2930x25x2 (xy)28m(xy)16m281b272b16 25a210a(xy)(xy)285a60a3b 14ab3c20b4q(y7)24p(y7) 6(y7)m(y7)8116n2 16x264y20.04a249 (x5y)2(5xy)2116n64n2 (mn)24m(mn)4m24m236m81 25a210a(mn)(mn)210a490ab 4a4b3c40b3c12p(x1)16p(x1) 2(x1)m(x1)10016b2 18x28y20.49y225 (8x3y)2(6x10y)236108m81m2 (mn)26m(mn)9m29x230x25 36a212a(mn)(mn)2
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