人教版初二数学上册分式的乘除法练习题精选43.docx

1、人教版初二数学上册分式的乘除法练习题精选43a2b 5ab38c 6cda26a9 a1a22a1 a29 1 649m2 m27m9a 20b6b 19a4xy7x2y 9a 8y6xy 7x5(xy) bx xb xy9a9b 29a2b3 4ab a2b2 81y2x2 x9yx214xy49y2 x27xy 5x 7 x5x5 25x225 5x55x2 y36y 7xa3b3 3a3b35c3 8cda24a4 a2a24a4 a24 3 649m2 m27m3a 14b2b 13a10xy2xy 7b 4y36xy 5x3(xy) bm mb xy5a5b 25a3b 2ab a2

2、b2 64y2x2 x8yx26xy9y2 x23xy 7x 8 x4x4 16x216 4x45x3 y26y 9x3a2b 9ab23c 4c3da24a4 a1a23a2 a24 1 59m2 m23m3a 10b8b3 17a212x3y3xy2 7a 6y6xy 9x4(xy) am ma xy7a7b 2a3b2 8ab a2b2 4y2x2 x2yx24xy4y2 x22xy 8x 1 x2x5 4x225 2x52x y33y 7xab 7ab9c 8cda24a4 a3a25a6 a24 4 349m2 m27m5a 16b8b3 15a216xy8xy2 3b 4y33xy

3、 5x3(xy) ny yn xy3a3b 15a2b2 4ab a2b2 64y2x2 x8yx26xy9y2 x23xy 9x 4 x4x1 16x21 4x13x y34y3 6xab 9a2b4c 6cda26a9 a2a23a2 a29 6 649m2 m27m9a 16b6b3 19a18xy6xy2 7b 2y26xy 3x6(xy) am ma xy5a5b 29ab 6ab a2b2 64y2x2 x8yx216xy64y2 x28xy 3x 7 x5x3 25x29 5x34x y3y3 6xab2 5ab27cd 6c3da24a4 a3a24a3 a24 4 336m2

4、 m26m3a 20b6b 11a22xy9x3y 5b 8y8xy 3x4(xy) bm mb xy9a9b 27a2b3 8ab a2b2 16y2x2 x4yx24xy4y2 x22xy 2x 4 x3x4 9x216 3x46x3 y37y 9xab 5a3b39c2 4c3da26a9 a3a24a3 a29 4 625m2 m25m9a 18b2b 19a34x3y8xy 9b 2y4xy 5x8(xy) bx xb xy7a7b 12ab3 2ab a2b2 81y2x2 x9yx218xy81y2 x29xy 3x 4 x4x2 16x24 4x26x y35y 6xa2b3

5、9a3b38c 4cda22a1 a3a24a3 a21 9 3100m2 m210m9a 14b6b 17a38xy8xy 7a 2y2xy 7x3(xy) ny yn xy9a9b 23a2b3 4ab a2b2 16y2x2 x4yx210xy25y2 x25xy 5x 6 x2x5 4x225 2x58x y37y2 7x2a2b 9a3b37c 4c2da24a4 a1a23a2 a24 4 549m2 m27m5a 10b2b 11a2xy3xy2 3a 6y22xy 7x8(xy) bm mb xy5a5b 9ab 4ab a2b2 49y2x2 x7yx218xy81y2 x2

6、9xy 9x 5 x2x2 4x24 2x25x y4y2 8x3a3b 7ab6cd 2c3da24a4 a2a23a2 a24 8 8100m2 m210m3a 10b8b2 13a10xy9x2y 5a 2y25xy 3x3(xy) nx xn xy9a9b 5a2b 4ab a2b2 16y2x2 x4yx210xy25y2 x25xy 5x 4 x5x1 25x21 5x15x y24y 4x2ab 7ab5c 4cda22a1 a1a24a3 a21 9 125m2 m25m9a 18b8b2 17a20xy3xy3 7b 8y2xy 7x5(xy) am ma xy7a7b 10

7、ab 2ab a2b2 49y2x2 x7yx24xy4y2 x22xy 8x 2 x3x4 9x216 3x43x2 y34y 9x3ab 9ab22cd 8c3da26a9 a3a24a3 a29 9 136m2 m26m3a 12b2b 19a320x2y9x3y 5a 6y25xy 3x5(xy) ax xa xy5a5b 30ab 8ab a2b2 64y2x2 x8yx28xy16y2 x24xy 3x 1 x3x7 9x249 3x77x y6y 2xa3b 7a3b9c 2c2da24a4 a3a25a6 a24 7 94m2 m22m3a 16b2b 17a6xy2x3y 3

8、b 8y27xy 3x9(xy) ny yn xy7a7b 25a2b2 10ab a2b2 4y2x2 x2yx28xy16y2 x24xy 2x 7 x4x9 16x281 4x97x y8y2 8xab 5a2b35cd 8cda22a1 a3a25a6 a21 8 449m2 m27m9a 18b8b3 19a38x3y5xy 9a 2y24xy 9x3(xy) am ma xy9a9b 26a3b 4ab a2b2 16y2x2 x4yx26xy9y2 x23xy 8x 6 x4x3 16x29 4x35x y26y2 7xab2 7ab6cd 6cda24a4 a1a22a1 a2

9、4 1 3100m2 m210m3a 20b4b 17a18xy7x3y 7b 8y8xy 3x6(xy) by yb xy7a7b 4ab 8ab a2b2 4y2x2 x2yx24xy4y2 x22xy 2x 7 x3x6 9x236 3x64x3 y35y 5xa3b 9a3b33c2 6c3da22a1 a3a25a6 a21 1 14m2 m22m3a 10b6b 19a314xy2x2y 9a 2y39xy 5x6(xy) am ma xy9a9b 14a3b2 8ab a2b2 9y2x2 x3yx28xy16y2 x24xy 9x 7 x5x9 25x281 5x92x2 y2

10、3y 9x2ab 7ab32cd 2cda24a4 a1a22a1 a24 8 849m2 m27m5a 16b6b 17a24xy6x3y3 9a 2y38xy 5x5(xy) nm mn xy3a3b 21ab2 2ab a2b2 16y2x2 x4yx214xy49y2 x27xy 3x 5 x4x5 16x225 4x55x2 y6y2 5x3a2b3 7ab9c 2cda22a1 a1a22a1 a21 7 225m2 m25m9a 12b2b2 11a6xy2x3y 5b 4y9xy 5x8(xy) ny yn xy9a9b 7a3b2 6ab a2b2 64y2x2 x8yx21

11、0xy25y2 x25xy 7x 3 x3x8 9x264 3x84x y3y 9xab3 3ab5c 8c2da22a1 a2a25a6 a21 7 316m2 m24m3a 20b4b 15a18xy3xy2 7a 8y9xy 9x6(xy) by yb xy9a9b 2ab 8ab a2b2 25y2x2 x5yx214xy49y2 x27xy 2x 5 x4x6 16x236 4x67x y8y3 5xab 7ab27c3 8c2da26a9 a2a23a2 a29 7 136m2 m26m3a 14b6b3 13a6xy8x3y 7b 4y4xy 5x9(xy) ay ya xy5a

12、5b 20ab 10ab a2b2 36y2x2 x6yx216xy64y2 x28xy 6x 6 x2x3 4x29 2x32x y23y3 2x3a3b 9ab27c3 6c3da22a1 a1a24a3 a21 2 625m2 m25m3a 12b4b3 19a10x2y2x2y3 5a 8y35xy 5x3(xy) ay ya xy9a9b 30a3b 6ab a2b2 36y2x2 x6yx24xy4y2 x22xy 7x 3 x3x8 9x264 3x84x3 y3y3 8x2ab3 9a2b6c3d 8c3da26a9 a3a25a6 a29 3 764m2 m28m9a 18b

13、8b 19a18x2y2xy3 3a 6y9xy 3x5(xy) bx xb xy9a9b 15ab 10ab a2b2 16y2x2 x4yx210xy25y2 x25xy 4x 7 x2x4 4x216 2x42x3 y3y 3x2ab 3a2b5c3 4c3da22a1 a2a24a4 a21 6 725m2 m25m7a 20b6b 17a26x3y2x2y2 7a 8y33xy 9x9(xy) ay ya xy5a5b 10ab 4ab a2b2 36y2x2 x6yx216xy64y2 x28xy 4x 9 x5x2 25x24 5x26x y5y3 8x3ab3 3a2b5cd

14、4cda26a9 a1a23a2 a29 7 825m2 m25m7a 18b2b3 13a8xy4xy 3b 2y24xy 7x4(xy) nm mn xy5a5b 22a3b 4ab a2b2 36y2x2 x6yx24xy4y2 x22xy 8x 8 x4x6 16x236 4x62x y23y 3xab2 3a2b4cd 8c3da26a9 a3a26a9 a29 1 64m2 m22m3a 14b4b 19a214xy2x3y3 5b 2y27xy 5x6(xy) ay ya xy9a9b 18ab3 8ab a2b2 4y2x2 x2yx26xy9y2 x23xy 9x 1 x3x

15、4 9x216 3x48x3 y27y2 9xab2 3a2b8c 6cda26a9 a3a24a3 a29 4 125m2 m25m9a 10b8b3 15a16xy5x3y 5a 2y3xy 7x3(xy) am ma xy5a5b 9a2b2 10ab a2b2 64y2x2 x8yx24xy4y2 x22xy 6x 9 x3x8 9x264 3x87x3 y36y2 8xab 3ab22c 8cda26a9 a2a25a6 a29 9 54m2 m22m9a 12b6b 17a10x2y5x2y2 7a 4y5xy 5x6(xy) bm mb xy7a7b 23ab3 6ab a2b2

16、 64y2x2 x8yx24xy4y2 x22xy 7x 4 x3x3 9x29 3x35x2 y24y 5xab 9a3b8c3d 8cda22a1 a2a24a4 a21 5 116m2 m24m5a 10b8b2 17a36xy9xy3 7a 2y25xy 9x8(xy) by yb xy5a5b 24ab 8ab a2b2 64y2x2 x8yx26xy9y2 x23xy 3x 7 x5x7 25x249 5x74x y33y2 5x3ab 5a2b28cd 6cda22a1 a1a22a1 a21 5 881m2 m29m7a 18b8b 15a10x3y3x3y 5a 4y4xy 5x9(xy) ny yn xy3a3b 3a2b 10ab a2b2 64y2x2 x8yx26xy9y2 x23xy 5x 3 x2x5 4x225 2x59x y8y 6x3ab3 3ab7cd 8cda22a1 a3a24a3 a21 2 881m2 m