初一数学下册整式的乘法练习题 9.docx

1、初一数学下册整式的乘法练习题 9 (6x2y3)(4x4y2) (6a4b3)(6a3) (2105)(8102) (9x)(3xy) (7a2b)(2b4) (3x3y)4(7x3y3) (5x3y)2(7x4y) (xy3z2)2(xy)3 (2106)(7104) 1 (x4y4)(8xy) (6a4b2)(6b4) (2x3y)(7x4y) 3 1 4 (x3y3)(xyz) (xy3z2)2(xy) (8106)(7105) 5 5 (3xy4)(9x4y) (7a5b2)(7a) (8109)(7104) (5x2)(7x3y2) (4a5b2)(5b2) (4x4y)2(6xy4

2、) (4x4y)(6x3y4) (xy3z2)(x3y)2 (8106)(8106) 1 (x3y4)(8x4y3) (6a5b3)(6b4) (7x2y)4(7x4y3) 8 8 4 (x4y3)(xyz) (xy2z)3(x2y)3 (4106)(5109) 7 3 (3xy4)(3xy4) (7ab4)(3a) (4104)(3104) (4x4)(4x2y) (8a2b)(9b) (9x4y)(8x3y3) (7x3y)3(7x2y2) (xy3z2)2(x3y)3 (9104)(6107) 7 (x2y)(5x3y4) (6a2b2)(8b) (9xy)(5xy4) 8 2 1 (x

3、4y4)(xyz) (xyz)3(x3y)3 (4104)(2102) 3 6 (6x2y4)(8x2y) (6a4b4)(8a) (5109)(4106) (9x)(7x2y) (9ab4)(5b4) (7x2y)2(9x2y) (7x2y)2(7x2y3) (xyz)2(x2y)2 (4103)(8109) 5 (x2y4)(3x4y2) (3ab3)(2b) (6xy)(3x2y4) 4 8 9 (x2y3)(xyz) (xy3z)2(x2y)2 (7108)(7105) 7 8 (4xy3)(7x3y) (2ab4)(7a2) (6107)(6102) (6x2)(7x3y4) (8a

4、3b3)(8b2) (5xy)3(8x4y4) (8x4y)2(3xy3) (xyz3)(x3y)3 (9107)(5108) 1 (xy)(8x4y4) (7a5b2)(6b4) (6x3y)3(3x3y4) 7 1 1 (x2y3)(xyz) (xyz2)2(xy) (6105)(3105) 8 7 (8x3y3)(9x2y2) (8a5b4)(5a2) (5102)(5103) (2x)(2xy3) (6a3b3)(8b3) (3xy)2(7x4y4) (7xy)(3xy3) (xyz2)(x2y) (5104)(3102) 3 (x2y2)(2x4y) (4a3b2)(2b4) (3x

5、4y)(8xy3) 4 2 5 (x2y4)(xyz) (xyz)2(x2y)2 (8102)(5105) 3 6 (7xy2)(2x2y2) (3a5b)(3a) (9108)(6109) (5x3)(7x4y2) (8ab3)(2b2) (7x4y)3(9x4y4) (4x4y)3(8x4y3) (xy2z)3(xy)3 (9106)(7109) 4 (xy3)(4x3y4) (7a2b2)(7b4) (9xy)2(7x3y) 5 4 6 (x4y2)(xyz) (xyz2)2(x3y)3 (4109)(4104) 3 5 (9x2y)(4x4y4) (2a4b2)(2a3) (9109)

6、(4105) (9x2)(7x4y2) (5a5b4)(7b2) (6xy)2(6x4y) (7x2y)2(3x4y2) (xy3z3)2(x3y)2 (6109)(7109) 5 (x4y3)(8xy2) (7a5b)(4b4) (5xy)(5x4y2) 6 7 6 (x4y4)(xyz) (xy3z)(x3y)2 (8102)(8102) 8 7 (7x3y)(9xy) (7a2b2)(5a4) (5106)(7105) (2x)(5x3y3) (3a5b)(3b) (5x2y)3(9x2y3) (5xy)3(6xy3) (xyz)2(x3y)3 (5106)(6103) 4 (x2y4)

7、(4x2y4) (6a2b4)(3b3) (8x4y)2(4x3y4) 3 6 4 (x3y2)(xyz) (xyz2)3(x2y)3 (8102)(5108) 5 5 (2xy4)(4x4y) (9a4b)(5a4) (3106)(3106) (8x)(7x2y4) (2a2b)(5b3) (8x3y)4(2x2y) (2x2y)3(9x3y) (xy2z2)(x3y)3 (8109)(3109) 1 (xy3)(8x4y4) (9a5b)(8b) (9x3y)2(7x3y2) 8 1 7 (x2y4)(xyz) (xy2z2)(x2y)2 (8102)(2105) 4 8 (7x3y4)(

8、3xy4) (8a5b)(6a2) (6104)(7104) (2x3)(2x4y) (9a4b)(4b2) (4x3y)4(9x3y) (6x4y)2(2xy4) (xy3z3)(xy) (3103)(8103) 6 (x3y4)(3x2y3) (7ab4)(3b4) (6x3y)4(2x2y) 5 5 6 (x4y4)(xyz) (xyz2)3(x3y)2 (5103)(3108) 6 5 (5x4y4)(4x3y4) (6ab4)(2a4) (7102)(5109) (9x3)(5x4y4) (3a3b3)(4b3) (5xy)(7x2y3) (8x2y)3(2x2y) (xyz)3(x

9、3y)3 (3107)(4105) 1 (x2y2)(2xy2) (9a5b2)(3b2) (2x3y)2(9xy2) 5 2 4 (x2y4)(xyz) (xyz)2(x3y)3 (9107)(9105) 3 3 (2x2y2)(9xy) (6a3b3)(2a3) (4107)(2102) (2x)(2x4y2) (5a4b4)(5b2) (4xy)(9x2y3) (8x3y)4(8x4y3) (xy3z)2(x3y)3 (3105)(9105) 1 (x4y4)(2x4y3) (2a2b)(2b) (2xy)4(4x4y) 6 3 9 (x4y4)(xyz) (xy3z)2(xy)3 (8

10、104)(2107) 4 8 (7x2y4)(2x3y3) (2a5b4)(6a4) (9106)(5105) (7x4)(9x2y2) (5ab3)(9b) (9x2y)2(5x4y2) (2x2y)2(5x3y) (xy3z)(x2y)3 (7102)(9105) 7 (x3y2)(8x3y4) (7a2b4)(5b4) (9xy)(7xy4) 6 1 5 (x2y2)(xyz) (xyz3)(xy) (9106)(4109) 5 4 (9x3y4)(3x3y4) (6a4b2)(3a4) (5105)(7105) (2x3)(6xy3) (2a4b3)(4b) (3xy)2(9x3y4)

11、 (8x3y)3(7x4y2) (xy2z2)3(xy) (9109)(9103) 1 (x3y2)(8x3y) (9a3b)(2b4) (6x4y)4(3x3y3) 3 1 5 (x4y2)(xyz) (xyz3)3(x2y)3 (6106)(3102) 6 6 (4x4y3)(7xy2) (6a2b2)(2a3) (7102)(8107) (5x4)(7x4y2) (5a3b)(7b2) (6xy)3(8x2y4) (5x3y)2(7x3y) (xy2z)(x2y) (3107)(4102) 1 (x2y4)(3xy4) (5ab2)(4b4) (7x3y)(4xy4) 7 3 4 (x2

12、y2)(xyz) (xy3z3)2(x2y)3 (7105)(7103) 4 3 (4x2y4)(2x4y3) (2a4b2)(9a2) (5102)(9104) (4x3)(3xy4) (4a4b2)(9b) (5x3y)3(9x3y) (9x2y)4(8x3y2) (xyz)3(x2y)2 (8102)(6108) 5 (x2y2)(5x4y) (4a3b4)(3b3) (3x3y)(8x2y3) 4 4 1 (x4y3)(xyz) (xyz2)(xy)3 (3102)(2108) 3 6 (4xy2)(4x4y4) (8ab)(3a2) (2102)(3103) (4x4)(6x3y)

13、(4a2b)(6b2) (5x2y)3(7xy4) (3x4y)2(3x3y2) (xy3z3)2(xy)3 (8109)(7106) 4 (xy4)(5x4y3) (6ab4)(6b3) (4xy)4(7x3y2) 5 8 9 (x4y2)(xyz) (xyz3)2(x2y) (2103)(9103) 7 8 (7x4y3)(9xy4) (5ab)(3a3) (5102)(8103) (3x2)(6x3y4) (2a2b3)(3b3) (4x4y)2(3xy4) (3x2y)4(8x3y2) (xyz3)2(x2y)3 (3103)(3106) 6 (x2y3)(7x4y3) (4ab2)(3b) (5x3y)4(4x2y2) 5 1 9 (x3y4)(xyz) (xyz)2(x2y) (4109)(2104) 3 8