1、八年级因式分解专项训练 1839x2y18xy9y16x294x2y2x4x24x212x9x3x2y44ax216axy16ay22a2ba2b29x2y30xy25y16x2254x29y2x4x29x236x36x2xy29ax230axy25ay2cacba2b2x2y8xy16y4x2164x2y2x3x4x220x25x2xy44ax220axy25ay23a3ba2b29x2y36xy36y16x294x24y2x3x4x216x16x3x2y29ax236axy36ay25a5ba2b24x2y4xyy16x244x2y2x3xx22x1x2x2y29ax236axy36ay2
2、4a4ba2b24x2y16xy16y4x23616x29y2x3x9x218x9xx2y29ax218axy9ay2tatba2b2x2y8xy16yx2369x29y2x4x4x212x9x2x2y4ax24axy4ay25a5ba2b29x2y12xy4yx2259x29y2x3x4x224x36x3xy29ax236axy36ay2dadba2b2x2y8xy16y4x294x29y2x3x2x24x4xx2y4ax22axyay2dadba2b24x2y8xy4y9x214x29y2x3x2x28x16x4x2y4ax28axy16ay2tatba2b2x2y2xyy4x214x2y2x3x9x230x25x2x2y4ax24axy4ay2nanba2b24x2y24xy36y16x249x29y2x4x9x224x16x2x2y44ax220axy25ay2mamba2b24x2y20xy25yx2916x24y2x3x29x224x16x4xy49ax236axy36ay26a6ba2b29x2y36xy36y