1、八年级因式分解专项训练 839x230x25x2xy29ax218axy9ay2cacba2b24x2y4xyy4x2254x2y2x3x29x236x36xxy29ax236axy36ay23a3ba2b24x2y12xy9y4x2416x24y2x4x24x224x36x4x2y44ax212axy9ay24a4ba2b24x2y24xy36y9x299x29y2x4x29x236x36x3xy29ax26axyay2cacba2b24x2y8xy4yx2254x29y2x3x29x230x25x4x2y49ax224axy16ay2nanba2b29x2y36xy36y4x2164x2y
2、2x4x9x218x9xx2y44ax28axy4ay25a5ba2b24x2y24xy36y4x2916x2y2x4x4x220x25x4xy2ax22axyay2cacba2b2x2y12xy36y4x214x2y2x3x2x210x25xxy44ax220axy25ay22a2ba2b29x2y30xy25yx249x24y2x4x9x212x4x2x2y29ax236axy36ay22a2ba2b2x2y10xy25y4x299x29y2x3x9x218x9x4x2y44ax24axyay2dadba2b2x2y2xyy9x2116x2y2x3x4x212x9x2xy24ax28axy4ay22a2ba2b29x2y18xy9y4x22516x24y2x4x24x224x36x3x2y4ax26axy9ay23a3ba2b24x2y16xy16yx2364x29y2x4x4x28x4xx2y2ax28axy16ay2tatba2b24x2y20xy25y9x249x29y2x4x9x26x1