人教版八年级数学上册因式分解综合练习题大全29.docx

1、人教版八年级数学上册因式分解综合练习题大全29 y212y36 81y218y1 36x224xy4y2 x24xy4y2 9a26abb2 5nx210nxy5ny2 (bc)26(bc)9 49(mn)284(mn)36 9m224mn16n2 14ab3c14a3b4 6nx8ny m(xc)n(xc) 12mn38m4n4 2xy4z10xy4 5p(ya)q(ya) 5a(y27)(y27) 20x6y4z14xy 18ab216a2b3 81d2x2 (xp)2(xq)2 a2b2 81b4y4 a3bab 4a29 1 a2b2 x2yy b416 25 x210x25 81x2

2、18x1 25x230xy9y2 x212xy36y2 81a218abb2 3ax26axy3ay2 (ab)210(ab)25 25(bc)250(bc)25 4m220mn25n2 14abc20a5b 8dx3dy 9m(zc)2n(zc) 16m2n46m4n2 14xy4z14xy p(za3)3q(za3) a(y4)(y4) 2xy5z12xy 20a3b418ab4 16b216x2 9(xp)216(xq)2 a2b2 d4y4 a3bab 4a29 1 a2b2 x2y4y y281 64 x26x9 4x28x4 25x240xy16y2 x214xy49y2 81a2

3、18abb2 2bx24bxy2by2 (mn)210(mn)25 25(ab)230(ab)9 25m270mn49n2 6a2b6c16ab 5nx10ny 2m(zb)n(zb) 18mn14m2n3 2x4yz14xy3 p(y2a3)q(y2a3) a(x2)8b(x2) 12xy5z18x5y 4ab20a3b 100a2x2 (xp)216(xq)2 a2b2 a4y4 a3bab 9a236 1 a2b2 x2y100y y281 64 d212d36 4d212d9 9x242xy49y2 x28xy16y2 64a216abb2 4bx28bxy4by2 (ab)210(a

4、b)25 49(xy)270(xy)25 25m260mn36n2 18abc18a4b3 4mx6my 5m(zb)n(zb) 8m3n34m4n2 8xyz20x3y4 6p(x2b2)q(x2b2) 9a(z7)5(z7) 2xy4z2x2y 18a4b2ab2 49y216x2 16(xp)2(xq)2 a2b2 16c4y4 a3b49ab a236 1 a2b2 x2y64y b41 4 x24x4 81d254d9 4x228xy49y2 x214xy49y2 36a212abb2 3mx26mxy3my2 (ab)212(ab)36 49(mn)256(mn)16 25m250

5、mn25n2 4ab5c2a6b2 7dx8dy 9m(zc)n(zc) 12m3n38m4n 12xyz2x4y p(z2c2)8q(z2c2) 4a(x24)b(x24) 12x5yz2xy 8ab420ab3 25c216x2 (xp)216(xq)2 a2b2 c4y4 a3bab 16a29 1 a2b2 x2yy m481 81 y28y16 4a220a25 16x232xy16y2 x220xy100y2 25a210abb2 3ax26axy3ay2 (bc)212(bc)36 81(bc)254(bc)9 4m220mn25n2 14ab2c20a5b 9nx7ny m(y

6、c)4n(yc) 4m2n2mn 8xyz4x2y p(yc3)q(yc3) 5a(y22)2b(y22) 14xy2z8x6y 6a3b48a3b a24x2 (xp)2(xq)2 64a2b2 81c4y4 a3b16ab 9a236 1 a2b2 x2y9y b416 4 y24y4 25x250x25 25x230xy9y2 x214xy49y2 9a26abb2 8nx216nxy8ny2 (bc)26(bc)9 16(mn)216(mn)4 25m260mn36n2 2abc16a5b 10bx6by m(xb)n(xb) 18mn218m4n3 14xyz4x2y p(xa)q(

7、xa) a(y26)b(y26) 20x5yz18x6y6 20a2b38a3b 4b2x2 36(xp)24(xq)2 a2100b2 81a4y4 a3b49ab 9a24 1 a2b2 x2y9y n281 36 a212a36 36x212x1 36x248xy16y2 x210xy25y2 49a214abb2 10cx220cxy10cy2 (bc)212(bc)36 36(bc)260(bc)25 25m230mn9n2 6ab4c6a5b 10mx10my m(xa)n(xa) 12m2n412m2n 18xy2z10xy 5p(zb)7q(zb) a(x3)6(x3) 14x5y5z12x3y 16ab318a3b y2x2 (xp)236(xq)2 9a2b2 16a4y4 a3b81ab a29 1 a2b2 x2y100y a2256 64 x210x25 36x224x4 49x270xy25y2 x26xy9y2 25a210abb2 6bx212bxy6by2 (mn)24(mn)4 36(bc)212(bc)1 4m212mn9n2 2a4b2c12a3b5 7bx9by 3m(yc)9n(yc) 8mn6mn 12xy3z16x3y2 p(