1、八年级因式分解专项训练 1599x2y6xyy4x2259x29y2x4x2x26x9x2x2y29ax224axy16ay2tatba2b29x2y30xy25y9x2364x24y2x4x9x212x4x4xy29ax224axy16ay25a5ba2b24x2y8xy4y16x22516x24y2x4x24x216x16x2xy2ax28axy16ay2dadba2b24x2y8xy4yx2164x24y2x3x9x230x25xxy4ax28axy16ay2cacba2b2x2y4xy4y9x299x24y2x3x4x224x36xx2y2ax26axy9ay2dadba2b24x2y
2、12xy9y16x299x2y2x4xx28x16xx2y4ax26axy9ay2dadba2b29x2y30xy25y4x2369x29y2x4x9x224x16x3xy44ax224axy36ay22a2ba2b24x2y24xy36y9x2259x29y2x4x29x218x9xxy49ax26axyay25a5ba2b29x2y30xy25y16x2369x2y2x4x9x236x36xx2y29ax218axy9ay24a4ba2b2x2y2xyy16x2916x24y2x3x9x236x36x3xy49ax230axy25ay25a5ba2b29x2y24xy16yx294x29y2x4x24x212x9xx2y4ax212axy36ay26a6ba2b29x2y18xy9y4x249x24y2x4x4x28x4x3x2y29ax26axyay2dadba2b2x2y8xy16y9x299x2y2x4x2x24x4xx2y4ax210axy25ay2tatba2b2x2y2xyy