人教版八年级数学上册因式分解综合练习题大全76.docx

1、人教版八年级数学上册因式分解综合练习题大全76 18a2b4c2a3b 8ax10ay 7m(xb)5n(xb) 14m2n212mn 16x4yz4x4y p(xa2)q(xa2) 3a(y8)10b(y8) 2xy4z20xy4 16a2b6ab3 9c281x2 36(xp)2(xq)2 a2b2 a4y4 a3bab a281 1 a2b2 x2yy n481 49 b28b16 49b284b36 9x212xy4y2 x26xy9y2 36a212abb2 7dx214dxy7dy2 (bc)212(bc)36 9(bc)212(bc)4 4m212mn9n2 10ab2c12a2

2、b 7mx9my m(xa)3n(xa) 20mn8mn2 6x4yz16xy3 6p(x2b)8q(x2b) a(y26)b(y26) 20xyz12x5y 20ab14ab3 c2100x2 (xp)2(xq)2 81a2b2 a4y4 a3b64ab 9a21 1 a2b2 x2yy n41 81 c28c16 9x230x25 36x284xy49y2 x210xy25y2 16a28abb2 2cx24cxy2cy2 (xy)28(xy)16 36(bc)272(bc)36 4m228mn49n2 20a4bc8a6b3 2nx5ny 3m(xb)5n(xb) 4mn314mn2 1

3、8xy4z10x4y p(y3a3)5q(y3a3) 6a(y6)4(y6) 2xy6z12x5y 14a3b312ab3 81c2x2 16(xp)24(xq)2 81a2b2 81c4y4 a3bab 4a24 1 a2b2 x2yy a281 4 y28y16 16c224c9 16x216xy4y2 x28xy16y2 4a24abb2 4bx28bxy4by2 (bc)212(bc)36 9(bc)224(bc)16 25m220mn4n2 6ab3c16a2b 8ax6ay 8m(xa)n(xa) 20mn14mn3 4x2y3z8xy4 10p(yc)q(yc) a(z29)(z

4、29) 8xy4z18xy6 6ab16a3b4 81a2x2 (xp)2(xq)2 a29b2 81c4y4 a3bab a29 1 a2b2 x2y25y m2256 64 c26c9 9a236a36 36x272xy36y2 x26xy9y2 16a28abb2 2dx24dxy2dy2 (mn)28(mn)16 49(mn)228(mn)4 9m224mn16n2 18ab4c8ab6 9cx6cy m(zc)n(zc) 8mn20m2n 12xyz6xy 10p(x2a2)8q(x2a2) a(y25)(y25) 18x2yz16xy2 20a3b44ab4 y236x2 (xp)

5、216(xq)2 4a281b2 81a4y4 a3bab 16a264 1 a2b2 x2yy n2256 16 y212y36 36c212c1 4x212xy9y2 x220xy100y2 49a214abb2 5cx210cxy5cy2 (ab)28(ab)16 25(mn)260(mn)36 9m224mn16n2 4abc4a3b4 2mx3my 5m(xc)8n(xc) 12mn6m3n2 12xyz2xy 8p(xa)4q(xa) a(y4)7b(y4) 2x6y3z12xy4 12a3b220ab2 d2x2 16(xp)2(xq)2 a249b2 x4y4 a3bab 9a

6、21 1 a2b2 x2yy m281 64 y212y36 25d250d25 9x218xy9y2 x218xy81y2 9a26abb2 6cx212cxy6cy2 (mn)210(mn)25 81(mn)290(mn)25 49m298mn49n2 12abc14ab5 2bx8by m(xb)n(xb) 6m3n412m4n3 14x3yz6x3y 7p(y3b2)8q(y3b2) a(z7)b(z7) 12x2y2z4xy 6a2b20ab3 d225x2 36(xp)236(xq)2 a2100b2 c4y4 a3b36ab 16a236 1 a2b2 x2yy a281 49

7、c210c25 16y28y1 49x228xy4y2 x218xy81y2 64a216abb2 5mx210mxy5my2 (mn)212(mn)36 36(xy)224(xy)4 16m224mn9n2 12a5b2c18a5b 10cx8cy m(ya)7n(ya) 6m2n214m3n 18xyz16xy3 3p(zb2)q(zb2) 10a(x8)2b(x8) 12xy6z18xy 10ab10a3b2 b2x2 (xp)29(xq)2 4a2b2 a4y4 a3bab 16a236 1 a2b2 x2yy x416 25 x24x4 49x284x36 36x260xy25y2

8、x24xy4y2 81a218abb2 8nx216nxy8ny2 (xy)210(xy)25 9(bc)230(bc)25 9m236mn36n2 8a3b4c12ab 3ax4ay m(yb)10n(yb) 14mn20mn2 10xyz12x4y 8p(xb3)q(xb3) a(z4)6b(z4) 10x6y6z20x5y6 16a3b210ab b2x2 (xp)2(xq)2 49a236b2 16x4y4 a3bab a249 1 a2b2 x2yy x4256 16 y28y16 64c248c9 16x216xy4y2 x214xy49y2 64a216abb2 3dx26dxy

9、3dy2 (mn)26(mn)9 4(mn)220(mn)25 49m256mn16n2 18ab2c14ab 6cx10cy 4m(yb)n(yb) 18mn14m3n3 2x2y4z10x2y2 9p(za)q(za) 8a(x28)10(x28) 18x2y2z8xy 6a3b10a2b3 81d225x2 16(xp)236(xq)2 a2b2 16c4y4 a3bab 9a264 1 a2b2 x2yy b4256 25 d212d36 16c232c16 4x216xy16y2 x218xy81y2 16a28abb2 2dx24dxy2dy2 (ab)26(ab)9 64(ab)

10、232(ab)4 16m232mn16n2 14a3bc6a5b 10nx7ny 7m(xa)2n(xa) 18mn16m2n2 8xyz6x2y p(xa)6q(xa) a(z24)b(z24) 8xyz4x3y2 10ab20ab2 b2x2 (xp)2(xq)2 a2100b2 81d4y4 a3b100ab 9a24 1 a2b2 x2y64y x4256 64 d26d9 4d24d1 16x216xy4y2 x24xy4y2 64a216abb2 9bx218bxy9by2 (ab)212(ab)36 9(bc)230(bc)25 36m272mn36n2 12ab2c12ab3

11、4mx9my m(za)5n(za) 10m4n28mn4 14xy4z16x3y 10p(za2)10q(za2) a(z24)(z24) 2xyz18x5y 12a2b8a2b3 4d2x2 (xp)24(xq)2 100a2b2 a4y4 a3b100ab 4a236 1 a2b2 x2y25y y481 64 x212x36 16c28c1 9x230xy25y2 x26xy9y2 36a212abb2 9bx218bxy9by2 (mn)28(mn)16 16(bc)28(bc)1 25m220mn4n2 6a3b2c4a6b2 7ax5ay 10m(zb)n(zb) 2mn6m3n

12、3 2xyz4x4y 8p(xb)q(xb) 10a(z22)(z22) 10xy6z8xy 12ab12ab 100c2x2 16(xp)225(xq)2 a225b2 c4y4 a3b81ab a24 1 a2b2 x2yy y2256 9 y212y36 36x260x25 4x220xy25y2 x216xy64y2 25a210abb2 7dx214dxy7dy2 (bc)210(bc)25 64(xy)248(xy)9 36m236mn9n2 18abc14ab2 4mx2my m(yb)10n(yb) 12mn416m3n 2xyz16xy2 7p(ya2)8q(ya2) 5a(

13、z27)8b(z27) 18x5yz16xy3 2a4b214a2b y2x2 9(xp)2(xq)2 a2b2 b4y4 a3bab a225 1 a2b2 x2yy y21 64 x24x4 16x28x1 25x270xy49y2 x214xy49y2 9a26abb2 3bx26bxy3by2 (mn)26(mn)9 9(bc)218(bc)9 25m260mn36n2 8abc4ab 4ax6ay 8m(zc)n(zc) 12mn16m2n 2x4y2z16xy p(y2c3)q(y2c3) 2a(z7)(z7) 18xy2z16x2y 18ab320a2b 81b2x2 (xp)2

14、(xq)2 100a2b2 81c4y4 a3b100ab a249 1 a2b2 x2y25y n41 64 a212a36 9x224x16 49x228xy4y2 x220xy100y2 64a216abb2 6dx212dxy6dy2 (xy)212(xy)36 4(bc)28(bc)4 49m256mn16n2 20abc4ab 10nx4ny 2m(yc)n(yc) 10m2n44mn 6xyz6xy3 3p(za)2q(za) 8a(x5)6b(x5) 18x4yz14xy 2a4b16ab4 b216x2 16(xp)2(xq)2 81a236b2 d4y4 a3bab 9a2

15、25 1 a2b2 x2yy x416 64 a212a36 4c216c16 25x260xy36y2 x26xy9y2 64a216abb2 7cx214cxy7cy2 (ab)26(ab)9 9(bc)230(bc)25 36m248mn16n2 4ab4c2a6b 6bx7by 8m(ya)3n(ya) 20mn6mn 18xy4z8xy4 3p(zc2)q(zc2) a(x5)4b(x5) 8x5yz14xy6 12ab6a4b2 25y2x2 (xp)216(xq)2 a2b2 d4y4 a3bab a2100 1 a2b2 x2y49y n281 16 d26d9 25d240d16 9x242xy49y2 x210xy25y2 81a218abb2 2dx24dxy2dy2 (ab)28(ab)16 25(ab)250(ab)25 4m224mn36n2 14a3b4c20a2b5 4cx3cy 2m(zc)n(zc) 6m4n48mn3 12xy4z4x3y 9p