1、八年级因式分解专项训练 84x4xy24ax28axy4ay2mamba2b2x2y12xy36yx21616x2y2x4x2x28x16x3xy29ax212axy4ay2cacba2b2x2y2xyy9x244x29y2x4x2x210x25xxy49ax224axy16ay2nanba2b29x2y18xy9y4x2259x2y2x3x24x224x36x4x2y2ax28axy16ay2tatba2b24x2y16xy16y16x2364x24y2x3x4x220x25x2xy4ax210axy25ay25a5ba2b29x2y6xyy4x21616x29y2x4x9x230x25xx
2、y24ax28axy4ay2cacba2b2x2y6xy9y16x22516x2y2x4x2x26x9x4xy24ax212axy9ay2mamba2b29x2y18xy9y4x249x2y2x4x2x24x4xx2y4ax24axy4ay26a6ba2b29x2y36xy36y4x2164x24y2x3x2x22x1x4x2y49ax212axy4ay2mamba2b29x2y24xy16yx2254x24y2x4xx212x36x4x2y49ax236axy36ay24a4ba2b2x2y4xy4yx2916x24y2x3x9x236x36xx2y4ax22axyay2cacba2b2x2y4xy4yx219x29y2x4xx210x25x4xy29ax212axy4ay2nanba2b24x2y8xy4yx299x24y2x3x24x220x25x3xy29ax26axyay22a2ba2b2x2y8xy16y9x2416x2y2x4x2x26x9x2xy2