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1、人教版八年级数学上册分式的乘除法练习题精选9(xy) am ma xy5a5b 26a3b3 2ab a2b2 36y2x2 x6yx210xy25y2 x25xy 9x 3 x3x7 9x249 3x74x y5y 8xa3b 9a2b9cd 4cda22a1 a1a23a2 a21 2 881m2 m29m9a 12b6b3 17a210xy8x3y3 3b 4y27xy 5x6(xy) by yb xy5a5b 29a2b3 8ab a2b2 9y2x2 x3yx216xy64y2 x28xy 3x 3 x4x2 16x24 4x22x y33y 5x3a2b3 7ab37c2 4cda
2、22a1 a2a23a2 a21 2 59m2 m23m7a 14b8b2 15a10xy8xy 9a 6y36xy 9x9(xy) by yb xy9a9b 12a3b 2ab a2b2 9y2x2 x3yx24xy4y2 x22xy 4x 3 x5x8 25x264 5x84x y35y 9xa2b 5ab3cd 4c2da26a9 a1a24a3 a29 3 349m2 m27m5a 14b4b 17a14xy5x2y 7a 6y24xy 5x8(xy) nm mn xy3a3b 15a2b 10ab a2b2 36y2x2 x6yx214xy49y2 x27xy 2x 4 x2x5 4
3、x225 2x55x y24y 8xa2b2 5ab27cd 4c2da22a1 a3a25a6 a21 4 84m2 m22m3a 20b8b2 11a6x3y4xy 3b 8y36xy 3x6(xy) ax xa xy9a9b 3ab 2ab a2b2 36y2x2 x6yx212xy36y2 x26xy 7x 2 x2x3 4x29 2x35x3 y6y2 6xa2b3 3a3b28c3 8c2da26a9 a1a24a3 a29 9 236m2 m26m9a 18b4b 13a212xy9xy3 5a 2y9xy 3x2(xy) by yb xy7a7b 22ab 6ab a2b2 1
4、6y2x2 x4yx28xy16y2 x24xy 3x 7 x4x6 16x236 4x66x2 y37y2 9xa3b3 3a2b2c2 8cda26a9 a1a22a1 a29 9 525m2 m25m9a 12b4b3 19a320x3y7x3y2 9a 4y38xy 5x8(xy) am ma xy7a7b 21a3b 10ab a2b2 64y2x2 x8yx24xy4y2 x22xy 6x 1 x5x5 25x225 5x58x2 y37y3 4x3a2b 3ab37c3 6cda26a9 a2a25a6 a29 2 481m2 m29m9a 14b6b 17a24xy9xy3 5
5、b 6y32xy 7x9(xy) by yb xy9a9b 30a3b 8ab a2b2 81y2x2 x9yx28xy16y2 x24xy 3x 8 x4x6 16x236 4x68x3 y27y2 8x2ab 9a3b5c2 6c3da22a1 a3a25a6 a21 1 581m2 m29m9a 16b4b 13a22xy7x3y 3a 6y24xy 3x4(xy) bm mb xy3a3b 30ab2 2ab a2b2 64y2x2 x8yx26xy9y2 x23xy 8x 4 x5x7 25x249 5x77x3 y36y 2xa3b 5ab35c2 6cda26a9 a2a23a2
6、 a29 2 69m2 m23m9a 16b2b3 19a8xy2x2y 9a 2y5xy 5x4(xy) am ma xy7a7b 3a2b3 4ab a2b2 64y2x2 x8yx210xy25y2 x25xy 3x 4 x4x2 16x24 4x26x2 y35y3 8x3a3b 5ab33c2 8cda22a1 a2a23a2 a21 6 825m2 m25m3a 12b4b 19a2x3y6xy2 9a 2y3xy 3x8(xy) ax xa xy7a7b 22ab3 10ab a2b2 64y2x2 x8yx28xy16y2 x24xy 5x 2 x4x7 16x249 4x74x y3y2 8xab3 9ab3cd 8c2da26a9 a3a25a6 a29 1 89m2 m23m9a 18b2b2 13a312xy5x2y3 9b 2y7xy 5x8(xy) ay ya xy3a3b 16a2b 6ab a2b2 9y2x2 x3yx26xy9y2 x2
