初一数学下册整式的乘法练习题 38.docx

1、初一数学下册整式的乘法练习题 38 (4x3y4)(3x2y4) (4ab2)(3a4) (2104)(4109) (6x)(2x3y3) (9a5b4)(6b4) (7x3y)2(6x2y) (5xy)4(4x2y2) (xyz3)(xy) (6103)(2109) 1 (xy)(2x4y2) (8a3b)(8b2) (6x2y)4(6x2y) 7 6 8 (x4y3)(xyz) (xy2z3)(x2y)3 (6104)(2107) 5 7 (2x2y)(6x3y) (6a3b2)(9a4) (7105)(7102) (7x)(8x3y3) (4a2b3)(3b4) (5x4y)4(3x3y

2、4) (9x4y)3(3x4y4) (xy3z)2(xy)2 (4109)(9106) 4 (xy2)(6x2y3) (9a4b)(6b3) (3x4y)4(3xy) 5 2 7 (x4y3)(xyz) (xy2z3)2(x2y)2 (3103)(5107) 3 8 (6xy2)(3x4y) (2a2b3)(8a4) (4108)(5107) (2x3)(7x3y4) (6a3b)(3b2) (4x3y)(6x2y) (8x2y)4(7x4y4) (xyz)2(x2y)2 (8105)(6106) 6 (x4y)(3x4y2) (8a2b3)(2b2) (2xy)4(6x2y4) 5 4 1

3、(x2y4)(xyz) (xy3z)(x2y)2 (5104)(5102) 3 4 (8x3y)(7xy2) (3a5b)(3a3) (4106)(2103) (3x2)(7x3y2) (7a2b3)(8b4) (4x2y)(9x3y3) (6x2y)3(9x2y2) (xy2z)(xy) (3103)(4108) 3 (xy2)(7x4y3) (8ab)(8b4) (8x2y)(5x3y3) 4 4 4 (x3y2)(xyz) (xy2z3)2(xy) (6104)(9102) 3 3 (5xy)(5x4y4) (7a3b4)(6a2) (8104)(9108) (7x3)(9x2y2) (

4、9ab2)(4b3) (3xy)2(8x2y4) (5x2y)3(3xy4) (xyz)2(xy)3 (9109)(9109) 5 (x3y)(4x2y) (8a4b)(5b) (3x2y)(7xy4) 6 3 7 (x2y4)(xyz) (xy3z)3(xy)2 (5107)(2102) 4 6 (6x4y3)(8x3y3) (3a4b3)(8a4) (3109)(2106) (2x3)(7x4y4) (6a4b4)(8b2) (6x3y)2(8xy4) (9x4y)3(9xy4) (xy2z2)3(x2y)2 (7109)(8107) 9 (x4y)(8x3y4) (7a2b4)(8b2)

5、 (2x4y)2(9xy4) 8 1 6 (x2y4)(xyz) (xy2z3)(x2y)2 (6104)(5106) 8 7 (6x2y)(7x2y) (9a4b2)(5a2) (3106)(8103) (7x3)(7x4y) (3a5b4)(8b2) (5x3y)4(5x4y3) (6xy)3(4x2y2) (xyz3)(xy)3 (7106)(8108) 5 (x3y2)(9x2y4) (9a4b4)(6b3) (5x4y)(2x2y) 6 7 1 (x3y4)(xyz) (xy3z)(xy)2 (9103)(2105) 6 4 (4x4y4)(4xy4) (3a3b4)(8a3) (8

6、104)(5108) (2x2)(6x4y) (7a2b4)(3b4) (8xy)2(8x2y) (8x3y)3(8x2y) (xy3z3)3(x2y) (6102)(9102) 9 (x3y)(4xy4) (8a2b3)(7b3) (3x3y)(3xy3) 8 1 4 (x2y4)(xyz) (xy2z3)2(xy)3 (6108)(8104) 6 5 (4x2y2)(9x4y) (4a5b3)(9a4) (7102)(4109) (7x4)(4xy2) (3a4b)(3b4) (2x4y)(6x3y) (9x3y)3(7x2y) (xy3z2)3(x3y)2 (8105)(2104) 5

7、(x4y)(4x2y3) (9ab2)(3b) (4x4y)3(9x3y3) 6 7 4 (x4y2)(xyz) (xy3z)3(xy)3 (7107)(9104) 8 3 (7x4y3)(8xy) (6a5b2)(5a4) (9102)(8104) (5x2)(5x4y) (8a4b)(4b3) (6x3y)(9x3y4) (3x4y)2(2x2y) (xy2z2)2(xy)3 (5102)(6102) 1 (x2y)(6xy2) (9ab4)(7b4) (5x4y)(7x2y) 3 5 1 (x4y4)(xyz) (xy2z2)(x3y)3 (7108)(6107) 4 6 (9x3y4)

8、(5x2y3) (7a2b4)(7a2) (7103)(8108) (2x3)(8x2y) (5ab2)(3b4) (7x3y)3(3x2y) (8x3y)3(4xy) (xy2z3)(x2y) (4104)(7105) 1 (x3y4)(5xy) (3a4b4)(9b4) (3x4y)4(5x3y) 4 1 5 (x2y2)(xyz) (xy2z2)3(x3y) (4109)(5107) 3 6 (9x3y)(6x4y) (5a5b4)(2a3) (6109)(3102) (2x4)(7x2y4) (4ab2)(6b4) (2xy)(6x2y) (5x4y)(7x2y4) (xy3z)2(x

9、y) (3105)(6103) 7 (x2y)(8x4y2) (2a2b3)(4b3) (8x2y)2(9xy3) 8 1 4 (x2y4)(xyz) (xy2z3)(xy)3 (4106)(2102) 7 5 (2xy3)(5x3y4) (7ab3)(8a4) (5103)(6105) (6x)(8x3y4) (5ab3)(8b4) (9x3y)4(4x3y2) (6x3y)2(8x4y3) (xy2z3)2(xy) (5109)(2106) 1 (x2y4)(9x3y4) (8a2b2)(2b4) (3x2y)(9x4y) 6 4 9 (x2y3)(xyz) (xy2z2)(x2y)2 (

10、8105)(5106) 3 8 (3x2y4)(6x4y4) (5a4b)(7a) (9107)(5102) (3x)(7xy) (2a5b2)(4b) (9xy)3(5x4y3) (7x2y)2(8x4y3) (xyz)(x3y)2 (9106)(3102) 2 (x2y3)(3xy4) (3a3b4)(8b3) (7x2y)4(5x2y) 3 1 1 (x3y3)(xyz) (xy2z3)3(x2y)3 (7106)(5106) 7 3 (9x4y3)(4x2y3) (6a2b)(7a2) (3103)(7106) (9x4)(2x2y4) (8a5b)(7b3) (6x4y)(9x4y2

11、) (6x4y)2(2x2y) (xy2z2)3(x2y) (9106)(6105) 5 (x2y2)(6x2y4) (9a4b)(2b) (9x2y)4(5x4y) 6 7 7 (x3y2)(xyz) (xy3z3)2(x2y)2 (7102)(7102) 8 8 (8x3y)(9xy4) (4a2b)(9a2) (2108)(7107) (7x3)(9x2y4) (8a2b3)(9b3) (2x4y)3(4x2y4) (3x4y)(7xy3) (xyz3)(x2y)3 (4104)(3106) 1 (x2y2)(4xy4) (7a4b2)(6b4) (9xy)4(9x2y3) 5 7 1

12、(x4y2)(xyz) (xyz)3(x2y)3 (7107)(4108) 8 6 (4x4y2)(2x2y3) (3a3b4)(4a3) (5102)(4108) (9x3)(7x4y) (3ab4)(8b4) (9x3y)(8x3y) (8x2y)4(9x2y2) (xy3z3)2(x3y) (7106)(5105) 4 (x4y2)(3xy3) (9a5b4)(3b2) (2x4y)4(9xy3) 3 6 5 (x3y4)(xyz) (xy2z2)(x2y)2 (6106)(7103) 5 4 (9xy2)(8x3y4) (4a2b2)(3a3) (6104)(8109) (2x2)(4

13、x2y4) (3ab2)(6b3) (5x2y)2(9x4y) (8xy)2(4x4y3) (xy3z2)(x2y)2 (8102)(2102) 4 (x4y3)(4x3y4) (7a2b3)(2b2) (3x2y)4(8x4y3) 5 1 5 (x4y3)(xyz) (xy2z)3(x3y)3 (2107)(2102) 5 6 (2x3y2)(9xy) (8a2b4)(9a4) (2102)(3105) (2x3)(3x2y2) (5a5b2)(5b) (3x3y)4(5x2y3) (8x4y)2(5xy4) (xy3z)(x3y)3 (5108)(8107) 1 (x3y)(6x3y2) (6a2b4)(5b) (3x4y)(4xy2) 4 7 4 (x3y2)(xyz) (xyz2)(xy)3 (9104)(8105) 8 3