1、 5(4x26xyx)(9x27xy4x) 4 3 3(xy8y27)(x2xy y26) 4 4 4 9(xyy)(xyx9) 3 8(4y6x4z2)( y3x7z2) (7m22m8)(9m2n2) (8x24x3)7(3x28x) 5(x28)4(x27) (x2y7xy3)8(x2y2xy3) (x223x17y)(x218x16y) (3k3 k28)(7k35k25k) 6 4(2k26k)(6k28k5) (4a23a9b)(5a23a4b) 8x2(5x28x2)(7x7) 6y2(8x2y)(3x22y2) (2x28xyx)(4x2 xy3x) 3 2 2(xy7y23)
2、(x2xy7y29) 1 6(xyy)(xyx2) 6 7( y9x2z2)(6y4x7z2) (7m23m5)( m7n1) (3x2 x9)3(7x24x) 7(x26)2(x27) (x2y8xy8)5(x2y2xy3) 7 1(x221x10y)(x217x13y) 6 6(7k33k23)(5k39k25k) 2 4(4k28k)(4k26k9) (8a29a7b)(7a2 a7b) x2(6x24x2)(4x9) 3y2(3x2y)(9x2 y2) 1(6x29xyx)(3x22xy x) 6 1 8(xy2y21)(x2xy5y21) 6 7 5 3(xyy)(xyx7) 6 4
3、(5y4x2z2)(6y x9z2) (4m29m6)(6m8n1) ( x28x2)9( x29x) 5(x25)9(x23) (x2y8xy8)6(x2y9xy9) (x211x15y)(x220x17y) (7k32k24)(2k33k29k) 4 5(5k25k)(5k22k4) (8a29a6b)(3a26a6b) 5x2(2x23x5)(2x4) 4y2(6x2y)(4x29y2) (9x2 xyx)(3x2 xy6x) 7 3 5(xy9y25)(x2xy y28) 4 6 4 1(xyy)(xyx8) 5 4(7y4x7z2)( y3x8z2) ( m24m8)( m6n2)
4、( x22x7)2(8x27x) 7(x22)7(x28) (x2y9xy2)2(x2y6xy8) 8 6(x213x17y)(x211x10y) (6k32k27)(3k3 k24k) 6 2(7k24k)(7k29k7) (5a23a5b)(8a22a3b) 5x2(3x26x8)(4x1) 3y2(6x2y)(4x28y2) 9(3x29xyx)( x23xy2x) 8 1 9(xy2y27)(x2xy8y25) 5 8 1 1(xyy)(xyx8) 8 5(2y8x7z2)(7y4x4z2) (4m2 m7)(9m n5) (7x2 x7)9(6x26x) 3(x28)2(x27) (
5、x2y8xy7)9(x2y9xy3) 4 1(x228x16y)(x210x15y) (3k33k23)(3k37k26k) (9k23k)(5k22k9) ( a29a7b)(2a24a8b) 8x2( x27x3)(9x9) 9y2(5x2y)(5x28y2) (7x23xyx)(2x26xy2x) 5 6(xy2y28)(x2xy6y28) 7 2(xyy)(xyx5) 8 3(9y4x9z2)(8y9x7z2) (3m25m2)(4m n5) (5x25x3)4(5x26x) 3(x23)6(x26) (x2y9xy5)6(x2y6xy5) 6 1(x211x14y)(x219x17y) (2k35k28)(4k34k21k) 2 6(2k27k)( k28k9) (3a26a2b)(9a26a9b) x2(4x26x3)(9x1) 9y2(7x2y)(7x2 y2) (3x29xyx)(7x2 xy8x) (xy7y26)(x2xy3y28) 6 5 1 5(xyy)(xyx7) 4 4
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