人教版八年级数学上册因式分解综合练习题大全23.docx

1、人教版八年级数学上册因式分解综合练习题大全23 y212y36 49c256c16 16x240xy25y2 x26xy9y2 49a214abb2 8nx216nxy8ny2 (bc)212(bc)36 25(xy)260(xy)36 25m250mn25n2 6abc8ab 2dx4dy 10m(yc)n(yc) 4mn6mn 12x4y4z4xy2 p(x2b3)8q(x2b3) a(z8)7b(z8) 8xyz18xy3 2a3b4ab3 64a29x2 (xp)29(xq)2 81a2100b2 81x4y4 a3bab 16a2100 1 a2b2 x2yy b416 16 a21

2、0a25 16x216x4 25x240xy16y2 x220xy100y2 81a218abb2 3cx26cxy3cy2 (xy)24(xy)4 9(xy)230(xy)25 16m256mn49n2 20a4b5c2ab3 4mx6my 6m(zb)3n(zb) 12mn14mn3 10x4yz16xy 10p(x2b)6q(x2b) 7a(z24)b(z24) 12x5yz8x6y 20a2b10ab2 b225x2 16(xp)2(xq)2 a2100b2 c4y4 a3b36ab a236 1 a2b2 x2y4y b216 9 y212y36 49d214d1 9x236xy36

3、y2 x220xy100y2 25a210abb2 4ax28axy4ay2 (mn)210(mn)25 9(mn)218(mn)9 9m242mn49n2 12abc8a3b5 5bx9by 8m(ya)n(ya) 18m3n24mn 6xyz8xy3 p(y2a)3q(y2a) a(y21)b(y21) 2xyz20x2y 14ab24ab2 c2x2 (xp)2(xq)2 49a2b2 16a4y4 a3b100ab a24 1 a2b2 x2y25y m2256 16 c210c25 64c216c1 49x298xy49y2 x220xy100y2 49a214abb2 9ax218

4、axy9ay2 (bc)24(bc)4 4(bc)212(bc)9 9m242mn49n2 20ab4c2ab4 6nx9ny m(zb)8n(zb) 20mn26mn3 4x4yz16x2y3 2p(yb)8q(yb) a(x27)b(x27) 6x2yz20x6y5 6ab8ab2 49y2x2 (xp)2(xq)2 36a2b2 81b4y4 a3b36ab 4a281 1 a2b2 x2yy y41 9 a210a25 64b248b9 36x224xy4y2 x26xy9y2 25a210abb2 9ax218axy9ay2 (bc)24(bc)4 49(xy)270(xy)25 9

5、m218mn9n2 8ab2c10a2b 5dx4dy 9m(yb)7n(yb) 18mn18mn 10x4yz14xy p(y3a)q(y3a) 8a(y4)8(y4) 20xyz18xy 14a2b28ab c236x2 36(xp)29(xq)2 a2b2 d4y4 a3b9ab a249 1 a2b2 x2yy m4256 9 a26a9 64a216a1 9x230xy25y2 x216xy64y2 100a220abb2 5bx210bxy5by2 (xy)24(xy)4 25(ab)240(ab)16 36m272mn36n2 4a6b2c16a3b 2bx10by m(xc)4

6、n(xc) 20mn12mn3 4xyz8x3y 6p(z2a)q(z2a) 6a(z21)(z21) 12x6y6z18x3y3 8ab16a4b4 25c2100x2 9(xp)2(xq)2 a2b2 81d4y4 a3bab a216 1 a2b2 x2y81y x481 16 c26c9 25a220a4 25x230xy9y2 x220xy100y2 81a218abb2 9dx218dxy9dy2 (ab)210(ab)25 16(xy)28(xy)1 36m284mn49n2 20abc14a3b 7nx10ny m(xc)n(xc) 10m4n2mn4 10x3yz16x3y4

7、 4p(z3a2)8q(z3a2) 6a(z4)(z4) 18x4y3z12xy3 4a4b216ab b2x2 16(xp)2(xq)2 a225b2 d4y4 a3b16ab 16a2100 1 a2b2 x2yy n41 16 y212y36 16c28c1 4x216xy16y2 x210xy25y2 36a212abb2 5ax210axy5ay2 (bc)26(bc)9 49(ab)228(ab)4 49m298mn49n2 18a3b2c14a6b 3nx6ny m(xc)4n(xc) 6m2n210mn 10x2y2z16xy2 p(yc2)9q(yc2) 8a(z29)3b(

8、z29) 16x3y6z18x6y2 6a4b312ab4 b2x2 (xp)29(xq)2 9a2b2 16d4y4 a3bab 16a2100 1 a2b2 x2yy y41 81 b210b25 36y236y9 25x250xy25y2 x214xy49y2 25a210abb2 2bx24bxy2by2 (ab)210(ab)25 4(mn)212(mn)9 25m250mn25n2 2abc12a5b 5nx2ny m(ya)n(ya) 18m3n48mn 16x4y2z20x2y p(x2a)9q(x2a) a(y1)4b(y1) 10xy6z12x3y 6a3b12a4b 9b

9、264x2 36(xp)2(xq)2 a2b2 16b4y4 a3bab 9a216 1 a2b2 x2yy a41 64 b24b4 36a212a1 4x224xy36y2 x218xy81y2 36a212abb2 7bx214bxy7by2 (ab)210(ab)25 64(xy)264(xy)16 4m220mn25n2 18ab6c2a4b5 4mx8my 5m(yb)n(yb) 16m4n32m4n 16x2yz14xy2 10p(xc)10q(xc) a(z22)2b(z22) 20x6y6z10x4y 2ab6ab 100b2x2 (xp)2(xq)2 36a281b2 81

10、b4y4 a3bab 9a236 1 a2b2 x2yy n416 64 a28a16 25b240b16 49x242xy9y2 x218xy81y2 81a218abb2 9ax218axy9ay2 (bc)24(bc)4 4(mn)28(mn)4 25m260mn36n2 20ab3c8ab4 2mx2my 2m(xc)5n(xc) 6m2n12mn3 12x2yz20xy p(y2a)10q(y2a) 7a(z1)b(z1) 16xy3z6xy 6ab16ab3 36y249x2 (xp)2(xq)2 25a2b2 16b4y4 a3bab 9a281 1 a2b2 x2yy m21

11、4 b28b16 81y272y16 25x240xy16y2 x28xy16y2 81a218abb2 7cx214cxy7cy2 (ab)212(ab)36 36(xy)212(xy)1 25m250mn25n2 14a3b6c14a4b 7cx2cy m(xb)n(xb) 12m4n8mn3 6xy3z4xy 7p(z2c2)7q(z2c2) a(x7)9b(x7) 20xyz14xy3 10a2b12ab2 a24x2 (xp)24(xq)2 100a24b2 16a4y4 a3b4ab 9a225 1 a2b2 x2y100y n41 36 d212d36 36a236a9 49x2

12、28xy4y2 x220xy100y2 49a214abb2 2nx24nxy2ny2 (ab)26(ab)9 9(mn)212(mn)4 16m216mn4n2 14a4bc18a3b3 7mx6my m(xb)n(xb) 12mn12mn 16xyz2x4y2 p(y2c3)q(y2c3) 10a(x27)3(x27) 4xy5z4x6y3 2ab14ab4 a24x2 25(xp)2(xq)2 9a24b2 16x4y4 a3bab a236 1 a2b2 x2y4y y2256 64 y210y25 25x260x36 16x248xy36y2 x218xy81y2 100a220ab

13、b2 10nx220nxy10ny2 (ab)26(ab)9 81(bc)236(bc)4 49m242mn9n2 4abc6a4b4 7mx3my 6m(yc)n(yc) 18m2n20m2n2 10xy2z14xy 10p(xa3)6q(xa3) a(x25)(x25) 4x6y3z2x4y 16ab10a2b y249x2 (xp)2(xq)2 64a2b2 16x4y4 a3b64ab 9a264 1 a2b2 x2yy b481 16 y210y25 49d256d16 16x248xy36y2 x218xy81y2 64a216abb2 8ax216axy8ay2 (xy)28(x

14、y)16 49(mn)242(mn)9 9m230mn25n2 20abc6ab6 6nx4ny 2m(xb)n(xb) 14m4n418mn3 12x3yz10x2y3 7p(ya3)2q(ya3) a(y1)b(y1) 12xyz20x2y2 12a2b26a2b4 4d2x2 4(xp)2(xq)2 a281b2 d4y4 a3b100ab 9a236 1 a2b2 x2y36y m416 9 d210d25 16a240a25 25x220xy4y2 x212xy36y2 100a220abb2 8mx216mxy8my2 (ab)210(ab)25 49(bc)242(bc)9 16

15、m256mn49n2 14ab5c20ab6 8mx2my 9m(xa)4n(xa) 6mn14m4n 12xy2z18xy4 p(za)4q(za) a(z8)10(z8) 12xyz8x4y 14ab310a4b 16d225x2 (xp)24(xq)2 a225b2 16a4y4 a3b49ab 4a236 1 a2b2 x2y16y a2256 16 d210d25 9a230a25 25x220xy4y2 x216xy64y2 81a218abb2 2dx24dxy2dy2 (bc)26(bc)9 4(mn)220(mn)25 4m212mn9n2 10ab6c6a4b 8dx6dy 9m(za)n(za) 20m3n26mn 10xy2z2xy 8p(yc3)2q(yc3) a(z27)5(z27) 20xyz8xy 6a4b220a2b2 y2x2 (xp)2(xq)2 4a2b2 a4y4 a3b4ab a29 1 a2b2 x2y9y m481 25 c28c16 49c256c16 16x232xy16y2