1、八年级因式分解专项训练 305a5ba2b29x2y30xy25y16x2164x24y2x3x2x210x25x2xy4ax212axy36ay24a4ba2b29x2y36xy36y9x23616x24y2x4x29x224x16x3x2y49ax212axy4ay25a5ba2b2x2y2xyy16x23616x2y2x3x2x212x36x3x2y29ax212axy4ay2dadba2b2x2y4xy4y16x2116x2y2x4x9x224x16x3x2y24ax212axy9ay24a4ba2b2x2y8xy16y9x2259x24y2x3xx22x1xxy24ax28axy4a
2、y22a2ba2b29x2y6xyyx2169x29y2x3x9x236x36xx2y44ax220axy25ay2cacba2b2x2y12xy36y9x2916x29y2x4x2x26x9x4x2y24ax220axy25ay24a4ba2b24x2y16xy16y16x294x24y2x3xx210x25x4xy49ax236axy36ay24a4ba2b29x2y12xy4y9x244x2y2x3x9x230x25xx2y24ax212axy9ay26a6ba2b24x2y8xy4yx2369x2y2x4x29x218x9x2xy49ax236axy36ay2mamba2b2x2y12xy36yx299x29y2x4x4x216x16xxy4ax210axy25ay2tatba2b29x2y24xy16y16x249x2y2x4x29x236x36xxy4ax22axyay25a5ba2b2x2y6xy9yx2259x29y2x4x24x224x36x2xy29ax26axyay2nanba2b2