初一数学下册整式的除法专项练习题 21.docx

1、初一数学下册整式的除法专项练习题 21 (x6y)(x4) (4a7b3c3)(7a3bc) (9m3n5)(mn)3 (6m7n6)(3mn) (2x3y)2(6x3y2)(5xy) (2x2y2)3(12x2y) (a7b8c)(5a3b) (a6b)7(a6b)2 (2r2s3)2(12r3s3) 8 (x7y6)(4xy) (10a6b4)(9a4b2) (2x7y)4(2x7y)2 7 (a8b6c)(3ab2)(5a2b2c3) (x7y)(x3) (8a5b8c5)(3a2b2c) (9m5n5)(mn)3 (3m4n3)(4mn2) (x3y)2(6x3y)(3x2y3) (x

2、3y3)3(16x2y3) (4a7b4c)(8ab2) (a8b)4(a8b)2 (2r2s2)3(15rs2) 1 (x8y9)(5x2y3) (2a8b9)(3a3b) (3x5y)3(3x5y) 8 (5a6b8c)(8a4b2)(5a2bc2) (x7y)(x4) (5a5b7c3)(7a3b3c) (8m4n9)(mn)3 (8m3n3)(8mn2) (x2y)2(8x3y2)(3xy2) (2x3y2)2(4xy3) (2a9b5c)(7ab2) (3a7b)9(3a7b)3 (2r2s2)2(17rs3) 4 (x2y9)(2x2y) (7a9b8)(2a4b) (4x5y)4

3、(4x5y) 3 (3a9b6c)(4a4b2)(3a3bc3) (x10y)(x3) (a6b7c2)(5a2b2c) (7m7n8)(mn)2 (2m3n7)(6m2n2) (2x3y)3(4x3y)(17x3y) (2x2y3)3(2x3y) (4a6b7c)(6a2b2) (2a7b)5(2a7b)2 (2r3s3)3(3rs2) 1 (x4y3)(8x2y2) (7a6b3)(5a5b2) (3x6y)4(3x6y)2 5 (6a7b8c)(5ab2)(6a3b2c3) (x5y)(x4) (9a7b3c3)(7a3bc) (7m6n7)(mn)3 (4m7n4)(2mn2) (x2

4、y)2(8x2y2)(12xy3) (2x2y3)3(2x3y2) (2a9b8c)(5a3b2) (2a6b)8(2a6b)2 (r3s2)3(19r3s3) 4 (x2y3)(7x2y) (a8b9)(7a4b) (3x6y)3(3x6y)2 3 (6a5b2c)(2a2b2)(3a2bc2) (x10y)(x4) (8a6b7c2)(8a4b3c) (3m6n3)(mn)3 (8m10n3)(3m2n2) (2x3y)2(2x2y2)(2x3y3) (x3y3)3(13xy) (6a7b8c)(9a4b) (4a6b)7(4a6b) (2r2s3)3(3r2s3) 4 (x9y7)(3x

5、y2) (a7b9)(2a2b) (2x8y)3(2x8y)2 3 (2a7b2c)(3a3b)(5a3bc2) (x10y)(x5) (a4b7c5)(5a4b3c) (5m4n8)(mn) (4m5n9)(6m2n2) (2x3y)2(9x3y)(10x3y3) (2x2y2)3(10xy3) (5a9b9c)(6a4b2) (3a8b)7(3a8b) (2r3s3)3(12r2s3) 8 (x6y4)(9x2y2) (3a7b3)(3a2b3) (3x8y)4(3x8y)2 7 (4a4b4c)(6a3b2)(9a2bc3) (x5y)(x5) (10a5b7c2)(7abc) (5m9

6、n6)(mn) (6m4n6)(5m2n2) (2x2y)3(6x2y2)(5x2y2) (2x2y3)2(18xy) (6a6b7c)(6a4b) (4a8b)9(4a8b)2 (2r3s2)2(18r2s3) 8 (x5y6)(6x2y2) (7a7b8)(5a3b) (3x8y)3(3x8y)2 7 (6a7b5c)(7ab)(8a3b2c3) (x6y)(x5) (9a8b4c5)(2a3bc) (5m10n7)(mn) (3m8n6)(3mn) (2x2y)3(9x3y)(10x4y3) (2x3y2)2(16xy3) (3a9b8c)(2a3b) (2a7b)7(2a7b) (2r

7、3s2)3(17r3s) 1 (x2y9)(5xy) (4a9b3)(4ab2) (x7y)3(x7y) 6 (5a7b3c)(2a3b2)(9a3bc3) (x6y)(x3) (7a9b8c4)(8a2b2c) (5m3n7)(mn)3 (2m3n3)(7mn2) (2x2y)2(5x3y)(11x2y) (x3y3)2(3xy) (3a8b2c)(9a4b) (4a7b)7(4a7b)3 (2r3s2)3(11r2s2) 1 (x8y7)(5xy2) (2a9b5)(9a2b3) (x7y)3(x7y)2 6 (2a4b5c)(3a2b2)(9a3b2c3) (x6y)(x4) (2a5b

8、7c2)(2a2b2c) (4m6n6)(mn) (8m8n4)(9mn2) (x3y)3(8x2y2)(4x4y3) (2x3y3)2(19x3y3) (2a8b2c)(6a2b) (a7b)5(a7b) (2r3s3)2(19r2s2) 4 (x2y7)(2xy2) (3a7b5)(3a3b) (3x8y)4(3x8y)2 3 (4a9b6c)(2a2b)(7a2b2c3) (x5y)(x3) (9a8b4c3)(7a3b3c) (9m3n6)(mn)2 (9m5n2)(3m2n2) (2x2y)3(3x2y2)(5x2y) (2x3y2)2(9xy) (5a5b2c)(4ab) (4a8

9、b)9(4a8b) (2r2s2)3(13r3s3) 1 (x8y4)(6xy2) (6a7b4)(8a4b3) (3x8y)3(3x8y)2 8 (3a5b7c)(5a3b2)(5a2b2c3) (x5y)(x) (3a7b7c3)(6abc) (3m4n7)(mn)2 (7m3n6)(7mn2) (2x3y)2(2x2y)(16x4y) (2x3y2)3(7xy3) (4a6b3c)(7a4b2) (3a5b)8(3a5b) (2r3s2)3(20rs3) 1 (x3y6)(9x2y2) (3a8b7)(8a2b2) (3x5y)4(3x5y) 6 (5a8b8c)(9a4b)(6a3bc

10、2) (x10y)(x2) (10a7b4c2)(7a4b2c) (7m7n4)(mn) (4m3n2)(5mn) (x2y)2(4x3y)(5x2y) (2x2y2)3(18x2y) (4a5b7c)(5a2b) (4a6b)6(4a6b)3 (2r3s3)3(17r2s2) 2 (x4y5)(7x2y2) (3a7b7)(5a2b3) (x6y)3(x6y)2 3 (3a7b3c)(3ab2)(7a3bc2) (x8y)(x2) (10a9b7c4)(6a4b3c) (9m3n8)(mn) (5m7n6)(9mn) (x3y)2(3x2y)(2xy3) (x2y3)3(5x2y) (2a4

11、b4c)(2a3b2) (3a8b)4(3a8b)3 (r3s3)3(19r2s) 1 (x3y5)(2x2y2) (5a9b5)(7a4b3) (3x8y)4(3x8y)2 3 (6a9b2c)(7a4b)(6a2b2c3) (x6y)(x4) (2a5b7c2)(3a2bc) (9m4n8)(mn) (9m6n5)(5mn2) (2x2y)3(6x2y)(20x3y2) (x2y2)3(10x2y3) (2a5b9c)(9a4b2) (a5b)4(a5b)3 (2r3s3)3(8r3s2) 4 (x4y4)(6x2y3) (6a6b4)(7a5b3) (4x6y)4(4x6y) 5 (a8

12、b6c)(9a4b2)(4a3b2c2) (x6y)(x2) (9a4b6c2)(3a4bc) (3m9n7)(mn)3 (6m10n2)(2mn) (x3y)2(6x3y)(4x3y) (2x3y2)3(4xy2) (4a9b6c)(4a4b) (3a7b)4(3a7b) (r2s3)3(11r3s) 1 (x2y4)(7xy3) (5a8b9)(8a4b3) (4x7y)3(4x7y)2 8 (5a6b9c)(3a3b2)(3a2bc3) (x5y)(x4) (8a9b9c5)(8a4bc) (6m8n6)(mn)3 (3m9n6)(6m2n) (x3y)2(2x3y2)(11x3y2)

13、(2x2y2)3(20x3y2) (3a6b6c)(9a2b) (3a8b)7(3a8b)2 (2r3s2)2(12rs3) 1 (x9y7)(4xy) (8a9b5)(8a4b) (2x8y)4(2x8y) 8 (a8b9c)(7a2b2)(8a2b2c2) (x5y)(x) (a7b3c5)(9a4bc) (2m8n3)(mn)2 (3m6n5)(6mn2) (x3y)2(6x2y)(4x2y2) (x3y2)2(8x2y2) (5a9b3c)(9a3b2) (a8b)8(a8b) (2r3s2)2(12r2s2) 1 (x4y3)(8xy) (a9b9)(5a6b3) (x7y)4(x7y) 3 (5a5b7c)(3ab)(9a2b2c2)