初二数学上册分式的乘除法10.docx

1、初二数学上册分式的乘除法105x 5 x2x7 4x249 2x76x3 y7y2 5x2ab2 5ab36c2d 2c2da24a4 a3a24a3 a24 4 281m2 m29m9a 14b6b3 15a4x3y6x2y3 3b 6y4xy 7x7(xy) ax xa xy3a3b 24a3b 2ab a2b2 16y2x2 x4yx26xy9y2 x23xy 5x 2 x4x9 16x281 4x96x3 y5y3 5xab2 9ab5cd 4cda26a9 a2a24a4 a29 2 8100m2 m210m7a 18b2b3 13a320x2y9xy3 9a 8y24xy 5x6(

2、xy) ay ya xy5a5b 24ab2 4ab a2b2 16y2x2 x4yx216xy64y2 x28xy 7x 6 x3x8 9x264 3x88x2 y27y2 8x2a2b 7a2b7c3 2cda22a1 a1a24a3 a21 8 216m2 m24m9a 18b2b 11a12xy9xy3 3a 8y4xy 3x7(xy) am ma xy7a7b 14a3b 8ab a2b2 4y2x2 x2yx210xy25y2 x25xy 8x 6 x5x3 25x29 5x39x y38y 8xab 3ab2cd 4c3da22a1 a2a24a4 a21 5 625m2 m25

3、m5a 10b4b 19a22x2y6x3y2 3b 4y25xy 5x8(xy) bx xb xy5a5b 8a3b 2ab a2b2 9y2x2 x3yx210xy25y2 x25xy 4x 4 x3x9 9x281 3x94x2 y35y3 7x2a2b2 7a3b2c 4c3da26a9 a2a24a4 a29 7 649m2 m27m5a 14b6b2 11a18x2y4xy2 5b 2y24xy 5x3(xy) am ma xy3a3b 3ab 10ab a2b2 81y2x2 x9yx216xy64y2 x28xy 9x 1 x2x5 4x225 2x55x y6y 6xab2

4、9a3b37c 4c3da26a9 a1a22a1 a29 2 881m2 m29m5a 18b4b 19a4xy4x2y2 7a 2y9xy 9x4(xy) bx xb xy9a9b 30ab3 4ab a2b2 25y2x2 x5yx214xy49y2 x27xy 3x 2 x2x1 4x21 2x15x3 y6y2 4xa3b3 3a2b7cd 6c3da26a9 a1a23a2 a29 6 264m2 m28m3a 14b6b2 13a24xy3x2y2 5a 8y7xy 3x3(xy) nx xn xy7a7b 15a2b3 10ab a2b2 9y2x2 x3yx216xy64y2

5、 x28xy 8x 4 x4x3 16x29 4x34x3 y3y 9x2a2b 5a2b39c2d 8cda22a1 a2a24a4 a21 8 79m2 m23m3a 10b2b2 19a316x2y9x2y3 9a 2y6xy 9x6(xy) am ma xy9a9b 18ab 4ab a2b2 36y2x2 x6yx216xy64y2 x28xy 2x 5 x2x6 4x236 2x67x3 y28y2 8xa2b3 7ab3c 8cda22a1 a3a24a3 a21 3 416m2 m24m7a 14b8b3 13a20x3y6xy3 9b 2y7xy 5x3(xy) nx xn

6、xy3a3b 28a3b2 10ab a2b2 25y2x2 x5yx26xy9y2 x23xy 4x 1 x4x3 16x29 4x37x y8y2 8x3ab2 5ab9c3d 8cda24a4 a1a22a1 a24 4 936m2 m26m5a 18b8b2 11a22x2y2xy2 3b 2y3xy 7x4(xy) am ma xy7a7b 17a3b3 6ab a2b2 9y2x2 x3yx216xy64y2 x28xy 6x 7 x2x1 4x21 2x13x3 y24y 7x3ab3 3ab25c2d 2c2da26a9 a1a24a3 a29 2 24m2 m22m7a 10

7、b6b 17a22xy5xy 7b 6y27xy 5x8(xy) nm mn xy5a5b 16ab 6ab a2b2 16y2x2 x4yx24xy4y2 x22xy 3x 2 x2x7 4x249 2x75x y6y 7xab3 7ab34c 2cda26a9 a1a22a1 a29 8 436m2 m26m5a 12b4b2 11a314xy6x3y 3b 4y3xy 3x4(xy) ax xa xy7a7b 23a2b 8ab a2b2 81y2x2 x9yx212xy36y2 x26xy 5x 9 x4x7 16x249 4x74x3 y3y3 9x2a2b2 3a3b22c 6c2

8、da26a9 a3a25a6 a29 7 79m2 m23m7a 10b6b 17a220xy7x3y3 5a 6y4xy 7x5(xy) ny yn xy7a7b 5ab 10ab a2b2 25y2x2 x5yx214xy49y2 x27xy 8x 7 x3x6 9x236 3x66x y35y 3xa2b 3a2b4c 4c2da26a9 a2a25a6 a29 3 416m2 m24m7a 14b6b3 17a20xy9xy 9a 2y27xy 7x4(xy) ay ya xy7a7b 14a2b 4ab a2b2 9y2x2 x3yx212xy36y2 x26xy 8x 4 x2x9 4x281 2x96x3 y7y3 8x3a3b 3a3b26cd 8c3da24a4 a3a24a3 a24 4 29m2 m23m5a 12b2b2 17a2