1、9x2y 9b 8y37xy 3x8(xy) am ma xy3a3b 5a2b2 4ab a2b2 25y2x2 x5yx24xy4y2 x22xy 3x 5 x4x9 16x281 4x97x3 y6y3 9xa2b 5a2b33c2 2cda26a9 a1a23a2 a29 3 1100m2 m210m9a 12b8b3 13a14x2y 5a 6y34xy 5x6(xy) ny yn xy5a5b 21a3b2 2ab a2b2 49y2x2 x7yx210xy25y2 x25xy 8x 1 x4x7 16x249 4x76x3 y7y3 4x3a2b3 9ab36c 8c3da22a
2、1 a3a25a6 a21 7 59m2 m23m9a 14b4b 13a26xy 8y25xy3(xy) nm mn xy9a9b 9ab 64y2x2 x8yx210xy25y2 x25xy 9x 9 x5x9 25x281 5x94y 9x2a3b3 3a3b5cd 2cda25a6 a24 9 69m2 m23m3a 16b4b3 13a10x3y7x3y9xy3a3b 27ab 49y2x2 x7yx218xy81y2 x29xy 4x 7 x2x4 4x216 2x45x2 y24y2 3xab 3ab8c2d 6c3da24a4 a1a24a3 a24 4 5100m2 m210
3、m6b 13a6x3y5xy 3b 4y8xy7(xy) ax xa xy7a7b 22ab 6x 5 x4x4 16x216 4x48x2 y37y 2xab3 3a3b33cd 2c3da22a1 a3a24a3 a21 3 63a 10b2b 15a216x2y2xy2 6y9(xy) nm7a7b 23a2b 36y2x2 x6yx214xy49y2 x27xy 6x 8 x2x1 4x21 2x17x y6y 4x3a2b 5ab22cd 8cda24a4 a3a26a9 a24 7 749m2 m27m5a 12b2b2 11a220x2y6x3y3 4y2 7x9(xy) ax9
4、a9b 17a2b2 36y2x2 x6yx26xy9y2 x23xy 7x 3 x3x5 9x225 3x55x3 y6y2 2x3a3b 5a3b36c2d 2cda26a9 a21 8 164m2 m28m4b 17a212x3y7x2y27(xy) am9a9b 4ab 6ab a2b2x28xy16y2 x24xy 2x 6 x4x3 16x29 4x34x2 y35y 9x2ab 9a2b34cd 4c2da24a4 a1a22a1 a24 3 836m2 m26m4b2 13a316xy2x2y2 9a 2y6xy7(xy) bm mb xy9a9b 10a2b 4y2x2 x2
5、yx212xy36y2 x26xy 5x 4 x3x2 9x24 3x28y3 9x3a2b 3ab9c2 8c2da24a4 a2a23a2 a24 3 43a 18b2b2 15a310xy2x2y 7b3xy5(xy) ay ya xy7a7b 13ab3 10ab a2b2x212xy36y2 x26xy 3x 6 x2x7 4x249 2x79x3 y38y 3xab 3ab33c3 6cda26a9 a2a25a6 a29 5 849m2 m27m8b 19a16x3y2xy7(xy) bx5a5b 2a3b2 7x 9 x2x2 y3y 6x2a2b 5ab8cd 6c3da22
6、a1 a2 1 24m2 m22m9a 18b4b 15a12xy8xy 4y36(xy) bm5a5b 10a3b3 16y2x2 x4y4x5 16x225 4x57x3 y28y 9x4c3 4c2da22a1 a1 8 38b 11a8xy33a3b 6ab 4y2x2 x2y 5x 7 x2x8 4x264 2x85x y6y3 5xab 9a2b8c3d 6c3d 8 981m2 m29m3a 12b4b2 19a2x3y4xy7a7b 9a3b 7x 6 x4x y5y2 5xa3b2 5ab3c3 4cda26a9 a1a24a3 a29 7 97a 18b2b 15a6(xy
7、) ay5a5b 16ab2 81y2x2 x9y2x3 4x29 2x39x3 y8y2 5x3a3b2 3ab2cd 2c2da22a1 a1a24a3 a21 6 95a 20b6b 19a4x3y9(xy) by yb xy3a3b 10a2b2 2x 1 x3x8 9x264 3x88y 8xa2b3 7ab6cd 2c2da26a9 a3a26a9 a29 6 12b 17a29x3y36(xy) am9a9b 21ab3 6x 2 x2x2 4x24 2x27y 3xa2b2 7ab9cd 8cd 5 920xy8x3y3(xy) nx xn xy9a9b 20ab35x6 25
8、x236 5x66x3 y27y3 7xa2b 9a3b5c 4cd 2 75a 10b8x2y4x3y2 8y2(xy) ax9a9b 28a2b 9y2x2 x3yx216xy64y2 x28xy4x8 16x264 4x88y3 8x28cd 4c3d 1 47a 14b2b3 11a3x3y3 5b9a9b 17ab 2x 2 x8y2 3x9c2d 2c2d64m2 m28m6b 11a218x3y5x3y3 2y35a5b 21a2b2 9y2x2 x3y 2x 3 x3x6 9x236 3x69x yab2 5ab26cd 6c3da22a1 a2a23a2 a21 4 936m
9、2 m26m3a 20b2b 19a314xy7xy38(xy) bm3a3b 22ab35x5 25x225 5x56y2 3xab3 5ab36cd 6cda26a9 a2a23a2 a29 9 58b2 13a33x3y3a3b 27a3b3x214xy49y2 x27xy3x2 yab 3a3b34c3d 8cda22a1 a1a23a2 a21 7 425m2 m25m7a 10b4b 13a38xy27(xy) by9a9b 19abx26xy9y2 x23xy6x2 y3a2b2 5ab3c3d 4cd 3 59a 20b2b 11a3x3y27a7b 17a3b 7x 8 x2x5 4x225 2x56x y25y2 2xab2 9a3b4c2d 8c2da26a9 a33a 14b6b2 17a39xy35a5b 2ab3x24xy4y2 x22xy 2x 5 x4y3 5xab 5ab7cd 6cda26a9 a3 3 96b3 17a318x2y8(xy) ny7a7b 24ab 4x 5 x5x2 y4y 2xab 5ab27c 2cda26a9 a2 3 28b3 19a22x3y29(xy) bm9a9b 8ab3 7x 4 x8x y7y3 8xa2b 7ab2cd 4c3d
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