1、八年级因式分解专项训练 414x2y2x4x24x224x36x4xy2ax24axy4ay23a3ba2b2x2y8xy16y9x23616x29y2x3xx26x9x4x2y29ax26axyay22a2ba2b29x2y36xy36y4x23616x29y2x4x29x212x4xxy49ax26axyay2nanba2b2x2y2xyyx294x2y2x4x29x26x1x4xy29ax224axy16ay2dadba2b24x2y12xy9y4x219x29y2x3x9x212x4x4x2y44ax28axy4ay26a6ba2b29x2y6xyy4x2364x29y2x4x9x21
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