人教版初二数学上册分式的乘除法练习题精选30.docx

1、人教版初二数学上册分式的乘除法练习题精选30a24a4 a1a23a2 a24 7 34m2 m22m9a 12b2b 19a220xy6xy 7a 4y36xy 7x3(xy) am ma xy5a5b 15ab 10ab a2b2 49y2x2 x7yx28xy16y2 x24xy 3x 8 x5x3 25x29 5x38x3 y27y 2x3ab3 5a2b5cd 2cda26a9 a3a25a6 a29 9 54m2 m22m9a 14b2b3 11a12x3y3xy 5a 8y24xy 3x9(xy) by yb xy7a7b 22ab 6ab a2b2 9y2x2 x3yx214x

2、y49y2 x27xy 3x 8 x5x2 25x24 5x22x y33y2 3xa3b 5a3b36c2d 4cda26a9 a2a25a6 a29 2 436m2 m26m3a 12b8b 15a8x2y5xy 3a 8y37xy 7x8(xy) am ma xy9a9b 8ab 6ab a2b2 16y2x2 x4yx26xy9y2 x23xy 6x 7 x2x8 4x264 2x89x y28y2 8xab 7ab34c2d 2cda22a1 a3a26a9 a21 8 436m2 m26m9a 12b2b3 17a22xy2xy 9a 4y36xy 7x8(xy) by yb xy

3、7a7b 6ab3 2ab a2b2 4y2x2 x2yx214xy49y2 x27xy 5x 6 x5x4 25x216 5x45x y24y 9x2a2b 5a2b6c2 6cda24a4 a3a26a9 a24 8 349m2 m27m9a 18b8b 19a216x2y9xy3 9b 2y3xy 7x2(xy) bx xb xy5a5b 6a2b2 10ab a2b2 4y2x2 x2yx212xy36y2 x26xy 7x 3 x3x8 9x264 3x82x2 y3y 2xab2 7ab39c 8c2da22a1 a2a25a6 a21 3 64m2 m22m3a 16b6b2 1

4、5a10xy8x2y 3a 8y37xy 5x4(xy) nx xn xy9a9b 24a3b 2ab a2b2 36y2x2 x6yx210xy25y2 x25xy 4x 3 x2x9 4x281 2x97x2 y6y3 8x2a2b2 5ab32c3d 8c2da24a4 a3a26a9 a24 9 449m2 m27m9a 16b8b 19a20x2y4x2y3 5a 8y5xy 5x2(xy) am ma xy7a7b 6a2b 10ab a2b2 64y2x2 x8yx26xy9y2 x23xy 2x 5 x4x5 16x225 4x59x y28y 6x2ab 3a3b27c3 4

5、c3da22a1 a2a25a6 a21 3 44m2 m22m5a 18b8b 13a220xy2x2y 3b 2y8xy 9x8(xy) bx xb xy3a3b 27ab 10ab a2b2 4y2x2 x2yx24xy4y2 x22xy 3x 5 x3x9 9x281 3x97x y8y2 6x3ab2 7ab4c3d 2cda26a9 a2a23a2 a29 3 136m2 m26m9a 14b8b 13a6xy8xy3 7b 8y34xy 9x7(xy) am ma xy7a7b 25ab3 6ab a2b2 64y2x2 x8yx212xy36y2 x26xy 8x 2 x4x6

6、 16x236 4x65x y4y2 2x3ab3 7a3b35c3d 4c2da24a4 a1a23a2 a24 1 749m2 m27m7a 20b6b2 13a16xy4xy3 7a 8y9xy 3x7(xy) ay ya xy7a7b 23ab 4ab a2b2 9y2x2 x3yx218xy81y2 x29xy 2x 6 x5x8 25x264 5x83x3 y24y3 9x3ab2 7a2b26c2d 4c2da26a9 a2a24a4 a29 3 781m2 m29m5a 12b2b3 11a32xy3xy3 3b 8y7xy 7x7(xy) am ma xy3a3b 6ab 2

7、ab a2b2 25y2x2 x5yx24xy4y2 x22xy 2x 9 x3x1 9x21 3x17x y38y 5x3a2b 5ab8cd 2cda26a9 a1a24a3 a29 3 364m2 m28m3a 12b6b 19a4x2y5x2y 3b 6y9xy 9x3(xy) nm mn xy3a3b 4a2b 2ab a2b2 9y2x2 x3yx28xy16y2 x24xy 5x 1 x3x8 9x264 3x83x2 y4y 5xab 7a2b3c2d 8cda26a9 a1a24a3 a29 1 94m2 m22m3a 12b6b 19a2xy5x3y3 5a 2y4xy 5

8、x3(xy) bm mb xy5a5b 6ab 4ab a2b2 49y2x2 x7yx212xy36y2 x26xy 5x 1 x5x9 25x281 5x96x2 y5y3 6x3a3b 7ab7c2d 4cda22a1 a1a23a2 a21 5 981m2 m29m9a 14b4b 13a12x2y6xy 3b 2y37xy 5x4(xy) by yb xy5a5b 29ab2 10ab a2b2 4y2x2 x2yx24xy4y2 x22xy 7x 1 x5x1 25x21 5x15x y6y3 6x3ab 7a2b39cd 6cda26a9 a1a24a3 a29 4 781m2 m29m9a 12b8b 15a220x3y7xy3 5a 8y7xy 5x8(xy) ax xa xy3a3b 9ab 8ab a2b2 25y2