1、八年级因式分解专项训练 1289x299x29y2x3x9x224x16xxy49ax224axy16ay2mamba2b2x2y10xy25yx2254x29y2x3xx24x4xxy4ax26axy9ay22a2ba2b24x2y8xy4y9x2116x2y2x4x29x230x25x3x2y44ax24axyay22a2ba2b29x2y18xy9yx21616x2y2x3x24x24x1x2xy24ax216axy16ay22a2ba2b24x2y16xy16y4x219x2y2x4x2x22x1x2xy24ax216axy16ay2nanba2b24x2y24xy36y4x22516
2、x2y2x4x2x28x16x2xy24ax224axy36ay2tatba2b24x2y20xy25y9x2364x24y2x3xx28x16x4xy4ax210axy25ay2nanba2b24x2y4xyy16x2364x2y2x3x29x236x36x4xy29ax218axy9ay2mamba2b24x2y12xy9y9x23616x29y2x4x24x216x16x3xy44ax24axyay2tatba2b24x2y24xy36y4x294x29y2x4x9x218x9x4x2y24ax216axy16ay26a6ba2b2x2y2xyy16x244x29y2x4x4x216x16xxy44ax28axy4ay2mamba2b24x2y20xy25y4x294x29y2x3x24x212x9x4x2y49ax26axyay2tatba2b2x2y2xyy4x2116x24y2x3xx24x4x3x2y4ax24axy4ay2dadba2b2x2y10xy25yx29