1、 与 3ab 4a2bc x 8xx9 x36x 3ya abc9c 9ac4b 6b 3x 4ya(x4) b(x4) xy y3(xy)2 x2y2 8 bc4ab3 2a3b2 3x 5xx5 x35x 8ya bc9c 7ac2bd 2b x 3ya(x6) b(x6) 4xy 4xy3ab2 5a2b2c 4x 5xx4 x4ac abc7ac 9ac2b 2bda(x6) b(x6) 4xy xy 9 bc3a3b3 6ab2c x 5xx1 x76x 5y9ac 7ac4bd 2b3a(x1) b(x1) 4xy y4(xy)2 x2y2 9 ac4a2b3 2ab 3x 7xx
2、3 x25x 8xyab abc5c 7ac6bd 2b3a(x5) b(x5) xy 3xy 9 bd2a2b2 6abcx9 x53x 9xy5c 7a4b 4b2d 3x ya(x2) b(x2)2(xy)2 x2y2 2 bc4a3b 3ab2 x 7xx2 x35x 7xyabc abc3c 9a6b 4bd 4x ya(x5) b(x5) xy 2y 1 bd2a3b2 6a3b2 3x 8xx4 x32x 5xyab bc7c 7ac4b 2bd 8 ad4a3b 2a3b2cx2 x44x 4xy6bd 6b3d x 4ya(x2) b(x2)3(xy)2 x2y2 1 bd4a2b2 2ab x 6xx2 x56x 2xy6bd 6bd x 2ya(x4) b(x4) 2xy 3y 3 ad2ab 2a2b3cx7 x92x 6y 9 bc4a2b3 6ab2c 4x 9xx8 x27x 3xy7c 3a2b 2b2d 2x ya(x8) b(x8) 3 bd2a2b2 3a2b3c x 9xx3 x67x 4yabc bc7ac 3a4bd 6b3d