1、(8x4)(8x4) (6x3y)(6x3y) (14x)(14x) 4x2 (y5x)(y5x) (73a)(73a) (0.8x0.3)(0.8x0.3) (a6)(a6) (x1 )(x1)(x21)(ab3)(ab3) (a2 )(a2)(a24)(9m2n)(9m2n) (an2b)(an2b) (x6y)(x6y) (7mn3n)(7mn3n) (y6z)(y6z) (9x2y)(9x2y) (6x3)(6x3) (x2y)(x2y) (8x7)(8x7) (2a5b)(2a5b) (44a)(44a) (0.1x0.4)(0.1x0.4) (5m4n)(5m4n)6n2 (5k5
2、)(5k5) (2x4)(2x4) (x3y)(x3y) (210x)(210x) 6x2 (y3x)(y3x) (19a)(19a) (0.5x0.8)(0.5x0.8) (a4)(a4) (x6 )(x6)(x236)(ab7)(ab7) (a4 )(a4)(a216)(7m5n)(7m5n) (anb)(anb) (x6y)(x6y) (3mn5n)(3mn5n) (y8z)(y8z) (6xy)(6xy) (x5)(x5) (7x6y)(7x6y) (8x2)(8x2) (9a5b)(9a5b) (109a)(109a) (0.2x0.7)(0.2x0.7) (6mn)(6mn)7n2
3、 (7k3)(7k3) (7x3)(7x3) (4x3y)(4x3y) (310x)(310x) 7x2 (y4x)(y4x) (23a)(23a) (0.5x0.1)(0.5x0.1) (a1)(a1) (x4 )(x4)(x216)(ab8)(ab8) (a8 )(a8)(a264)(4m4n)(4m4n) (an5b)(an5b) (x5y)(x5y) (7mn3n)(7mn3n) (y9z)(y9z) (9xy)(9xy) (4x9)(4x9) (6x9y)(6x9y) (3x5)(3x5) (6ab)(6ab) (39a)(39a) (0.6x0.7)(0.6x0.7) (4mn)(
4、4mn)5n2 (3k1)(3k1) (3x8)(3x8) (7x8y)(7x8y) (32x)(32x) 3x2 (y5x)(y5x) (57a)(57a) (0.6x0.6)(0.6x0.6) (a9)(a9) (x7 )(x7)(x249)(ab8)(ab8) (a4 )(a4)(a216)(5m5n)(5m5n) (anb)(anb) (x9y)(x9y) (8mnn)(8mnn) (y6z)(y6z) (3x3y)(3x3y) (x10)(x10) (8x4y)(8x4y) (3x2)(3x2) (2a4b)(2a4b) (52a)(52a) (0.1x0.5)(0.1x0.5) (
5、6m4n)(6m4n)7n2 (4k6)(4k6) (2x2)(2x2) (8xy)(8xy) (49x)(49x) 4x2 (y5x)(y5x) (34a)(34a) (0.3x0.4)(0.3x0.4) (a1)(a1) (x9 )(x9)(x281)(3m2n)(3m2n) (anb)(anb) (x9y)(x9y) (9mn5n)(9mn5n) (y6z)(y6z) (8xy)(8xy) (3x5)(3x5) (8x4y)(8x4y) (7x5)(7x5) (3a5b)(3a5b) (38a)(38a) (0.7x0.5)(0.7x0.5) (4m3n)(4m3n)7n2 (3k7)(
6、3k7) (3x10)(3x10) (3x4y)(3x4y) (102x)(102x) 5x2 (y3x)(y3x) (63a)(63a) (0.7x0.8)(0.7x0.8) (a3)(a3) (x9 )(x9)(x281)(ab6)(ab6) (a3 )(a3)(a29)(2mn)(2mn) (anb)(anb) (x9y)(x9y) (4mn3n)(4mn3n) (y9z)(y9z) (8xy)(8xy) (8x1)(8x1) (4x4y)(4x4y) (7x3)(7x3) (4a4b)(4a4b) (102a)(102a) (0.2x0.9)(0.2x0.9) (9m5n)(9m5n)
7、8n2 (6k10)(6k10) (x3)(x3) (3x3y)(3x3y) (42x)(42x) 6x2 (y6x)(y6x) (98a)(98a) (0.9x0.4)(0.9x0.4) (a3)(a3) (x3 )(x3)(x29)(ab1)(ab1) (a6 )(a6)(a236)(9mn)(9mn) (an3b)(an3b) (x8y)(x8y) (3mnn)(3mnn) (y2z)(y2z) (5x5y)(5x5y) (9x10)(9x10) (3x9y)(3x9y) (x9)(x9) (3a2b)(3a2b) (7a)(7a) (0.7x0.8)(0.7x0.8) (3m4n)(3
8、m4n)5n2 (2k1)(2k1) (5x9)(5x9) (4x9y)(4x9y) (9x)(9x) 8x2 (y3x)(y3x) (42a)(42a) (0.3x0.3)(0.3x0.3) (a8)(a8) (x4 )(x4)(x216)(3mn)(3mn) (an3b)(an3b) (x2y)(x2y) (8mn3n)(8mn3n) (y8z)(y8z) (4x2y)(4x2y) (9x2)(9x2) (7xy)(7xy) (8x3)(8x3) (3a3b)(3a3b) (96a)(96a) (0.5x0.3)(0.5x0.3) (7m3n)(7m3n)5n2 (6k10)(6k10) (6x2)(6x2) (8x5y)(8x5y) (54x)(54x) 9x2 (y6x)(y6x) (99a)(99a) (0.6x1)(0.6x1) (a7)(a7) (x9 )(x9)(x281)(ab2)(ab2) (a9 )(a9)(a281)(3mn)(3mn) (an6b)(an6b) (x8y)(x8y) (8mn4n)(8mn4n) (y2z)(y2z) (8x5y)(8x5y)
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