人教版八年级数学上册分式的乘除法练习题精选41.docx

1、人教版八年级数学上册分式的乘除法练习题精选415(xy) am ma xy7a7b 24a2b3 8ab a2b2 64y2x2 x8yx212xy36y2 x26xy 5x 3 x5x5 25x225 5x58x3 y27y 8xa2b 7ab32c 4c2da26a9 a3a25a6 a29 6 79m2 m23m7a 18b4b 13a2xy7xy 3a 2y35xy 3x9(xy) bx xb xy7a7b 16a2b 8ab a2b2 25y2x2 x5yx214xy49y2 x27xy 7x 9 x4x4 16x216 4x46x y35y2 8xab 3a2b4cd 6c3da2

2、2a1 a3a25a6 a21 3 749m2 m27m5a 14b8b3 11a220x3y6x3y2 9a 4y6xy 7x3(xy) ay ya xy5a5b 14ab2 10ab a2b2 49y2x2 x7yx26xy9y2 x23xy 9x 5 x4x5 16x225 4x52x y23y3 9xa2b2 7a2b24cd 8cda22a1 a1a23a2 a21 9 816m2 m24m9a 10b8b 19a210xy8xy2 7a 6y34xy 7x3(xy) ax xa xy5a5b 30a3b 10ab a2b2 25y2x2 x5yx26xy9y2 x23xy 4x 1

3、 x3x4 9x216 3x45x y24y 9xab3 7a2b4c 2c3da26a9 a3a26a9 a29 3 525m2 m25m9a 10b8b 13a26x2y4x3y 5b 6y27xy 5x8(xy) bm mb xy7a7b 25ab2 10ab a2b2 16y2x2 x4yx24xy4y2 x22xy 2x 1 x5x3 25x29 5x39x2 y28y2 2xab 9a3b4c 4c3da26a9 a1a23a2 a29 2 149m2 m27m3a 18b6b2 15a310x3y5xy2 7b 4y36xy 9x3(xy) bm mb xy9a9b 16a2b3

4、 6ab a2b2 16y2x2 x4yx218xy81y2 x29xy 7x 2 x5x7 25x249 5x79x2 y8y3 5xab 7ab4c3d 6c3da26a9 a2a23a2 a29 2 49m2 m23m3a 14b6b 15a20xy3x2y2 7b 8y2xy 7x3(xy) bx xb xy5a5b 4a3b 4ab a2b2 36y2x2 x6yx216xy64y2 x28xy 3x 1 x3x9 9x281 3x92x2 y3y3 4x2ab 9a3b32cd 4cda26a9 a2a23a2 a29 5 164m2 m28m7a 20b8b3 11a10x2y2

5、x2y 5a 6y29xy 3x7(xy) ay ya xy5a5b 13ab 10ab a2b2 25y2x2 x5yx218xy81y2 x29xy 3x 3 x3x4 9x216 3x46x y37y 7xa2b 9ab2cd 6cda24a4 a3a25a6 a24 3 216m2 m24m9a 10b2b3 13a8xy8x2y3 5a 2y3xy 3x2(xy) nx xn xy7a7b 29ab3 8ab a2b2 9y2x2 x3yx210xy25y2 x25xy 8x 6 x5x6 25x236 5x69x3 y28y3 3xab2 5a3b6c2d 4c3da22a1 a2

6、a24a4 a21 1 681m2 m29m5a 12b2b3 13a6x3y6x2y 9b 8y38xy 5x7(xy) nm mn xy9a9b 14a2b 6ab a2b2 81y2x2 x9yx24xy4y2 x22xy 2x 2 x4x8 16x264 4x87x y8y3 4x3a2b2 5ab29c 8cda24a4 a3a24a3 a24 8 3100m2 m210m3a 20b4b2 15a2xy3xy3 5a 6y34xy 9x3(xy) ny yn xy9a9b 24a3b2 6ab a2b2 9y2x2 x3yx28xy16y2 x24xy 3x 6 x4x7 16x2

7、49 4x75x3 y4y 6xab 5a3b4c3 6c2da22a1 a3a25a6 a21 2 216m2 m24m9a 14b4b 19a36x3y9xy2 7a 6y4xy 7x7(xy) bx xb xy3a3b 18ab 2ab a2b2 9y2x2 x3yx26xy9y2 x23xy 2x 4 x2x6 4x236 2x66x y37y3 4x3ab 9a2b2cd 6c2da26a9 a1a23a2 a29 5 19m2 m23m9a 12b6b 13a8xy2xy3 9a 2y9xy 9x8(xy) ax xa xy3a3b 12a3b2 4ab a2b2 25y2x2 x

8、5yx214xy49y2 x27xy 2x 7 x3x3 9x29 3x39x y38y 8xab3 7a3b23c 4cda26a9 a3a24a3 a29 6 99m2 m23m3a 10b4b3 17a320x3y3xy3 3a 4y6xy 9x7(xy) am ma xy9a9b 30a3b 10ab a2b2 16y2x2 x4yx28xy16y2 x24xy 3x 2 x2x2 4x24 2x25x2 y4y 8xab2 3a3b7cd 4cda24a4 a3a24a3 a24 6 816m2 m24m7a 12b4b 13a10x3y6xy 5a 8y4xy 9x9(xy) by

9、 yb xy3a3b 19ab2 2ab a2b2 4y2x2 x2yx216xy64y2 x28xy 7x 5 x4x5 16x225 4x52x y23y3 2xa3b3 5a2b7c 6c2da24a4 a3a25a6 a24 2 325m2 m25m9a 16b8b 11a310xy5x3y3 3b 6y38xy 3x5(xy) by yb xy5a5b 14a2b3 10ab a2b2 49y2x2 x7yx216xy64y2 x28xy 7x 1 x4x8 16x264 4x87x y26y 6x3ab2 7ab4c3d 6c2da26a9 a2a23a2 a29 7 69m2 m

10、23m5a 10b2b2 13a218x3y3x2y3 7b 8y9xy 3x3(xy) ay ya xy9a9b 7ab3 2ab a2b2 36y2x2 x6yx28xy16y2 x24xy 7x 8 x5x5 25x225 5x53x y34y 2x2a3b 3a2b26cd 2cda22a1 a3a26a9 a21 3 649m2 m27m9a 16b4b 17a24xy6x2y3 9b 2y38xy 3x3(xy) bx xb xy7a7b 2a3b3 8ab a2b2 49y2x2 x7yx214xy49y2 x27xy 5x 8 x2x2 4x24 2x28x y37y 2x2a

11、b 9ab3c2d 4c2da24a4 a3a26a9 a24 3 59m2 m23m7a 10b4b 19a8x3y3x2y 5b 2y3xy 3x3(xy) ax xa xy7a7b 30ab 10ab a2b2 81y2x2 x9yx212xy36y2 x26xy 8x 5 x3x9 9x281 3x93x y4y3 2x2a3b 3a3b8c 8c2da26a9 a3a26a9 a29 7 39m2 m23m9a 18b4b3 13a310x2y4xy 7a 6y8xy 9x7(xy) ny yn xy3a3b 27a3b3 6ab a2b2 9y2x2 x3yx210xy25y2 x

12、25xy 4x 9 x4x5 16x225 4x54x3 y35y 5xab3 3ab5c2 6c2da24a4 a1a24a3 a24 7 5100m2 m210m7a 18b2b3 17a316x2y4x3y 9a 6y33xy 5x7(xy) bx xb xy7a7b 24a3b 4ab a2b2 4y2x2 x2yx210xy25y2 x25xy 5x 9 x4x9 16x281 4x96x y5y3 8xab3 3a2b9c3 2cda26a9 a1a24a3 a29 5 249m2 m27m3a 18b4b3 13a12xy7x2y2 7b 2y7xy 3x5(xy) nx xn

13、xy5a5b 21a2b 2ab a2b2 9y2x2 x3yx218xy81y2 x29xy 7x 8 x4x2 16x24 4x27x2 y36y2 3x3a2b3 9a2b33c2d 4c3da22a1 a2a23a2 a21 7 39m2 m23m7a 10b8b2 13a8x2y5x3y3 7a 8y27xy 5x8(xy) nx xn xy7a7b 17a2b2 2ab a2b2 36y2x2 x6yx210xy25y2 x25xy 9x 7 x5x7 25x249 5x76x3 y27y3 6xab 7a2b8cd 8c3da22a1 a1a22a1 a21 8 736m2 m2

14、6m5a 16b2b 15a6x3y2xy 3a 6y26xy 5x2(xy) am ma xy7a7b 11a2b 2ab a2b2 4y2x2 x2yx210xy25y2 x25xy 9x 7 x5x3 25x29 5x37x y6y2 2x3a3b2 3ab34c 8cda24a4 a2a25a6 a24 4 681m2 m29m7a 18b2b3 15a310x2y4xy2 7b 4y6xy 9x9(xy) nm mn xy3a3b 22ab 10ab a2b2 16y2x2 x4yx216xy64y2 x28xy 3x 2 x2x6 4x236 2x64x y23y 3xab3 3a

15、b3c3 6c3da26a9 a1a23a2 a29 2 825m2 m25m7a 20b6b2 13a14x3y7x3y2 9b 6y6xy 9x9(xy) bx xb xy3a3b 30a3b3 2ab a2b2 4y2x2 x2yx28xy16y2 x24xy 5x 3 x3x1 9x21 3x12x2 y23y3 8xab3 5a3b23c3d 2cda22a1 a3a24a3 a21 1 3100m2 m210m3a 14b8b3 13a28x2y5x2y 9b 2y4xy 5x7(xy) ax xa xy5a5b 5ab 4ab a2b2 25y2x2 x5yx214xy49y2

16、x27xy 9x 8 x4x6 16x236 4x67x2 y26y 6xab 7ab6c2d 2c3da26a9 a1a22a1 a29 2 181m2 m29m9a 10b2b 15a216xy3x2y 3a 6y37xy 5x2(xy) am ma xy9a9b 21ab 2ab a2b2 81y2x2 x9yx24xy4y2 x22xy 2x 7 x2x4 4x216 2x48x3 y7y2 9x3a3b 7ab37c2 8c2da24a4 a3a25a6 a24 1 636m2 m26m5a 10b8b2 17a6xy8x2y 3a 4y32xy 9x6(xy) am ma xy9a9b 26a2b3 4ab a2b2 36y2x2 x6yx212xy36y2 x26xy 3x 3 x5x7 25x249 5x73x y24y 2x3a2b 9ab38c3d 8cda22a1 a3a24a3 a21 8 89m2 m23m7a 18b6b3 17a24xy3x3y 5b 6y6xy 3x4(xy) nm mn xy