人教版初二数学上册分式的乘除法练习题精选11.docx

1、人教版初二数学上册分式的乘除法练习题精选11 8y8xy 5x2(xy) am ma xy9a9b 29ab 6ab a2b2 49y2x2 x7yx28xy16y2 x24xy 9x 3 x5x9 25x281 5x94x2 y35y2 4x3a3b 9a2b36c 2c2da24a4 a3a26a9 a24 4 236m2 m26m3a 10b4b3 15a14x2y3xy3 5b 8y9xy 3x5(xy) bm mb xy7a7b 5a3b2 4ab a2b2 4y2x2 x2yx218xy81y2 x29xy 4x 9 x3x2 9x24 3x22x y3y2 8x3ab3 3ab6

2、c2d 6c3da24a4 a3a24a3 a24 7 39m2 m23m3a 20b6b 17a14xy2xy2 9b 6y4xy 7x8(xy) bm mb xy9a9b 15ab 6ab a2b2 49y2x2 x7yx28xy16y2 x24xy 4x 5 x5x9 25x281 5x92x y3y3 9x3a2b3 9a2b8cd 8c3da26a9 a1a24a3 a29 6 9100m2 m210m9a 18b4b 11a4xy8xy2 7b 4y9xy 5x9(xy) ny yn xy9a9b 15a3b3 2ab a2b2 64y2x2 x8yx212xy36y2 x26xy

3、 7x 5 x4x7 16x249 4x75x y4y3 4x2a3b3 9a3b2c2 4cda26a9 a3a24a3 a29 2 725m2 m25m5a 14b6b 15a36x3y9x3y 7a 8y32xy 5x6(xy) bm mb xy7a7b 14ab2 8ab a2b2 4y2x2 x2yx210xy25y2 x25xy 6x 4 x5x9 25x281 5x94x3 y33y2 2x2a3b 7ab38c3d 4c2da26a9 a2a24a4 a29 8 625m2 m25m9a 18b6b3 19a320xy4xy 3b 2y6xy 7x4(xy) ny yn xy9

4、a9b 17a3b 10ab a2b2 16y2x2 x4yx212xy36y2 x26xy 9x 7 x4x3 16x29 4x35x2 y6y 3x3ab2 7a3b33c 2c2da24a4 a2a24a4 a24 2 481m2 m29m7a 20b6b 15a218x2y7x2y2 3b 4y8xy 3x4(xy) nx xn xy3a3b 20a3b3 6ab a2b2 16y2x2 x4yx26xy9y2 x23xy 2x 7 x2x3 4x29 2x37x2 y8y2 5xab2 9ab38c3 4c3da22a1 a3a26a9 a21 8 749m2 m27m5a 10b2

5、b2 11a310x2y4xy2 7a 4y7xy 7x6(xy) nm mn xy3a3b 14ab 2ab a2b2 64y2x2 x8yx216xy64y2 x28xy 6x 6 x3x4 9x216 3x44x2 y35y2 3xab 7a2b6cd 8c3da24a4 a1a24a3 a24 9 925m2 m25m9a 16b4b 11a18x2y6xy2 9a 2y6xy 3x2(xy) ny yn xy5a5b 9ab2 6ab a2b2 25y2x2 x5yx218xy81y2 x29xy 8x 6 x4x7 16x249 4x73x y34y 9xab3 7ab36cd 8

6、c2da24a4 a3a24a3 a24 6 581m2 m29m5a 20b4b 11a210xy2xy2 7b 4y3xy 9x7(xy) bx xb xy9a9b 5ab 10ab a2b2 9y2x2 x3yx26xy9y2 x23xy 2x 2 x3x5 9x225 3x55x3 y34y2 3x2a2b 5ab4c3 8cda26a9 a2a23a2 a29 6 89m2 m23m3a 14b6b3 11a32xy5xy2 5b 6y5xy 9x9(xy) bm mb xy5a5b 24a3b 8ab a2b2 25y2x2 x5yx212xy36y2 x26xy 8x 1 x5x

7、9 25x281 5x94x y3y2 4x3ab2 5a3b5c 4c3da26a9 a2a23a2 a29 2 825m2 m25m3a 18b8b 11a14x3y4x3y2 9a 8y39xy 9x6(xy) ny yn xy3a3b 19ab 2ab a2b2 64y2x2 x8yx218xy81y2 x29xy 4x 6 x2x5 4x225 2x54x y5y2 4x3a3b2 9ab39cd 8cda22a1 a1a22a1 a21 9 936m2 m26m3a 12b8b 17a220x2y6x2y 7a 4y6xy 9x6(xy) ay ya xy3a3b 3ab2 2ab

8、 a2b2 36y2x2 x6yx212xy36y2 x26xy 7x 4 x5x7 25x249 5x75x2 y34y 3xa3b 5ab8c2d 6cda26a9 a2a24a4 a29 7 636m2 m26m7a 18b2b2 11a6xy6xy2 5b 6y36xy 3x3(xy) by yb xy5a5b 28ab 10ab a2b2 4y2x2 x2yx26xy9y2 x23xy 9x 4 x2x4 4x216 2x42x y3y3 9x2a2b3 9ab27cd 2c3da24a4 a3a25a6 a24 1 725m2 m25m5a 12b8b2 15a210xy6xy2

9、3a 6y9xy 7x2(xy) ax xa xy3a3b 6a3b2 2ab a2b2 9y2x2 x3yx218xy81y2 x29xy 2x 1 x2x8 4x264 2x84x y3y 8xab 7ab25c3 6c3da26a9 a3a26a9 a29 5 49m2 m23m7a 18b6b 17a20xy3xy2 7a 8y2xy 3x9(xy) nm mn xy3a3b 8ab 2ab a2b2 25y2x2 x5yx212xy36y2 x26xy 5x 5 x5x8 25x264 5x87x3 y8y 8x3ab 7a3b9cd 2cda22a1 a2a23a2 a21 1 9

10、81m2 m29m5a 10b8b2 11a6xy8xy 5b 2y34xy 3x2(xy) ny yn xy5a5b 4ab 2ab a2b2 4y2x2 x2yx210xy25y2 x25xy 5x 8 x3x1 9x21 3x12x2 y23y2 7xa3b 3a2b7c 8cda22a1 a1a23a2 a21 7 24m2 m22m5a 18b2b 11a6x3y5xy2 5b 2y7xy 9x6(xy) by yb xy7a7b 27ab 10ab a2b2 49y2x2 x7yx28xy16y2 x24xy 5x 8 x5x9 25x281 5x93x2 y24y3 8xa3b

11、5ab24c2d 8c3da22a1 a3a25a6 a21 4 581m2 m29m3a 16b4b 13a34xy2xy 5a 6y6xy 3x2(xy) nm mn xy9a9b 14a2b3 8ab a2b2 36y2x2 x6yx26xy9y2 x23xy 7x 2 x5x3 25x29 5x38x y7y2 8x2a3b2 3a3b2cd 2cda24a4 a3a24a3 a24 1 281m2 m29m7a 18b2b 13a10x2y9xy 5b 4y37xy 3x5(xy) ay ya xy7a7b 29ab 6ab a2b2 81y2x2 x9yx216xy64y2 x28

12、xy 6x 5 x5x2 25x24 5x23x y4y3 6xab 7a2b29cd 6cda22a1 a1a22a1 a21 8 336m2 m26m9a 16b2b3 19a16x2y7x3y 7a 2y9xy 5x2(xy) am ma xy3a3b 14ab3 10ab a2b2 49y2x2 x7yx28xy16y2 x24xy 9x 3 x4x2 16x24 4x25x y4y 6xa3b 3a2b34c 6cda22a1 a1a23a2 a21 2 925m2 m25m3a 10b8b 19a6xy9xy 7a 8y25xy 9x8(xy) by yb xy5a5b 15ab2

13、 8ab a2b2 36y2x2 x6yx212xy36y2 x26xy 2x 6 x2x6 4x236 2x64x3 y5y 2xab2 9ab33c3d 4c2da26a9 a2a23a2 a29 1 481m2 m29m7a 16b2b2 13a8x3y3x3y 9b 2y24xy 3x2(xy) by yb xy9a9b 14ab 6ab a2b2 9y2x2 x3yx218xy81y2 x29xy 9x 1 x3x6 9x236 3x64x2 y3y3 5x3a3b 7ab37cd 6c3da22a1 a2a23a2 a21 5 249m2 m27m3a 12b4b2 19a4x2y

14、4xy3 5b 8y38xy 3x6(xy) ay ya xy7a7b 18ab 10ab a2b2 9y2x2 x3yx26xy9y2 x23xy 9x 7 x5x4 25x216 5x46x y27y 8x3ab2 3ab23c 8cda22a1 a1a23a2 a21 2 381m2 m29m5a 14b4b2 17a6xy3xy 5b 8y33xy 7x7(xy) nm mn xy5a5b 21a2b 2ab a2b2 16y2x2 x4yx214xy49y2 x27xy 7x 2 x5x3 25x29 5x34x y35y3 2xab 7a3b28c3 2c2da26a9 a2a23

15、a2 a29 8 181m2 m29m5a 14b8b 11a32xy3x3y3 3a 2y9xy 5x3(xy) by yb xy9a9b 26ab3 6ab a2b2 4y2x2 x2yx212xy36y2 x26xy 2x 5 x5x8 25x264 5x86x2 y37y2 5xab3 7ab4c 4cda22a1 a1a23a2 a21 4 616m2 m24m9a 12b2b 15a18x3y5x2y3 3a 6y7xy 7x3(xy) ay ya xy3a3b 25a3b3 4ab a2b2 81y2x2 x9yx210xy25y2 x25xy 7x 7 x2x2 4x24 2x

16、26x2 y25y2 2xa3b 9ab38c 2c2da26a9 a3a26a9 a29 2 34m2 m22m3a 10b6b2 17a22xy6x2y 7b 4y33xy 7x8(xy) nm mn xy3a3b 15ab 4ab a2b2 49y2x2 x7yx28xy16y2 x24xy 4x 8 x5x3 25x29 5x37x y36y 6xa2b 7a2b32c2d 6cda26a9 a1a23a2 a29 9 681m2 m29m9a 18b8b3 11a32xy5xy3 9b 4y33xy 7x3(xy) ny yn xy5a5b 26ab2 10ab a2b2 36y2x2 x6yx24xy4y2 x22xy 6x 6 x4x5 16x225 4x58x y37y 4x3a2b2 7a2b36c 4c2da22a1 a1a22a1 a21 2 39m2 m23m3a 12b8b 13a18xy5xy2 7b 2y6xy 3x9(xy) ny yn xy3a3b 4ab