1、初一数学下册整式的乘法练习题 13 (3x3y2)(8x2y3) (4a5b3)(6a4) (5105)(9107) (7x)(8x3y3) (4a2b4)(8b3) (9x3y)4(2x4y) (9x4y)3(6xy3) (xy2z3)2(x3y)2 (4104)(6108) 6 (xy4)(8x4y2) (9ab)(7b) (4x2y)(8x4y2) 7 2 5 (x2y3)(xyz) (xy3z3)3(x2y)2 (7108)(3106) 3 4 (3x2y2)(9x2y2) (7a3b4)(8a3) (8103)(2102) (5x4)(7x2y2) (4a2b3)(6b2) (7x2
2、y)4(3x4y2) (4x3y)(2x3y2) (xyz3)3(xy)3 (4104)(3103) 1 (xy)(9x3y4) (8a3b3)(7b4) (3x3y)3(4x3y4) 8 1 4 (x2y4)(xyz) (xyz2)3(x2y) (7103)(9105) 6 3 (8x3y)(2x3y) (3a3b2)(6a4) (6104)(6108) (6x3)(2x3y4) (8a2b2)(3b3) (8x4y)4(7x2y4) (9x4y)3(3xy2) (xy3z2)3(xy)2 (9108)(2106) 3 (xy)(9x3y4) (9ab)(5b3) (2x4y)4(3x2y3
3、) 4 8 1 (x2y2)(xyz) (xy3z3)2(x3y)2 (9105)(2105) 7 6 (3x3y4)(2x4y) (6a2b3)(3a) (5107)(9107) (7x4)(7x2y4) (9a4b)(4b2) (5x4y)4(9x2y2) (8x4y)2(7x3y) (xyz3)2(xy)3 (5103)(5106) 8 (x4y3)(2xy) (4a5b2)(3b) (8xy)(7x3y) 7 9 2 (x2y3)(xyz) (xyz3)2(x2y)2 (8105)(3109) 8 3 (8x4y3)(7xy2) (4a2b2)(9a) (5103)(5105) (8x
4、)(6x3y3) (9a4b)(8b3) (8x2y)3(8xy3) (4xy)(9x3y2) (xyz)(xy)3 (2102)(2105) 7 (x2y)(5xy2) (2ab)(9b) (6x4y)3(9xy) 8 6 5 (x4y3)(xyz) (xy2z2)(xy) (4106)(5106) 5 4 (3xy3)(7x3y2) (2a3b)(5a) (7109)(5106) (9x2)(3x2y2) (7a4b3)(6b4) (4x3y)4(4x2y) (3x2y)2(7x2y) (xy3z2)2(xy) (3104)(3107) 1 (x3y2)(2xy2) (4a2b2)(8b3
5、) (2x3y)3(4xy) 8 3 7 (x2y3)(xyz) (xy2z)(xy) (6105)(3109) 4 6 (8x2y3)(9x2y3) (7a2b4)(3a4) (7107)(9109) (8x4)(8x4y) (4a3b)(2b3) (2x4y)3(3x3y2) (2x2y)3(8xy3) (xy2z)3(x2y) (9105)(9105) 7 (x2y4)(7x3y) (4a3b4)(5b3) (8xy)2(7x4y4) 8 3 7 (x3y3)(xyz) (xy2z3)3(x3y)3 (8109)(3107) 4 6 (3x2y)(6x3y3) (8a4b)(6a) (5
6、107)(2106) (7x4)(3x2y) (3ab2)(9b4) (9x3y)2(7x2y2) (5x3y)3(7x2y2) (xyz2)(x2y)3 (5108)(4108) 5 (xy)(9x4y4) (2a5b3)(2b2) (7x4y)(6x4y3) 6 3 7 (x4y4)(xyz) (xyz)2(x3y)2 (9104)(9106) 4 8 (8x3y2)(7x4y4) (8a5b)(9a) (2109)(6104) (9x3)(6x4y3) (2ab3)(4b2) (4x2y)3(3x2y4) (7xy)3(2x2y3) (xyz)3(x3y)2 (7109)(5105) 5
7、 (x4y)(7x3y4) (6a4b)(9b3) (8x3y)4(3x3y3) 6 6 7 (x3y4)(xyz) (xyz2)3(x3y)2 (5109)(4108) 7 8 (6x2y3)(7x2y2) (3a4b2)(9a2) (8109)(2104) (5x2)(9x4y) (5ab2)(5b) (6x2y)(9x3y3) (5x3y)3(7x3y2) (xy2z3)3(x2y) (8107)(8108) 7 (x3y4)(7x3y2) (6a4b3)(7b4) (2x3y)(4x3y4) 6 5 1 (x2y3)(xyz) (xy3z2)3(x3y)2 (4103)(7102) 4
8、 4 (4x3y2)(7x4y2) (2a5b2)(8a3) (6107)(2102) (9x)(3x3y) (2a2b)(2b3) (4x3y)4(3x4y) (5x4y)(2x2y3) (xyz3)3(x2y)2 (5107)(2105) 1 (x2y4)(2x4y3) (7a5b2)(9b4) (9x3y)3(8x2y4) 6 2 5 (x2y4)(xyz) (xy3z3)2(x2y)2 (6104)(4109) 3 6 (4x4y3)(6x3y) (9a2b4)(9a4) (5105)(9109) (5x3)(8x4y) (4a4b)(6b2) (7x4y)(2x2y2) (2x4y)
9、3(2x2y3) (xy3z3)3(x2y)2 (9108)(2102) 7 (x2y4)(5x2y2) (3a5b2)(3b) (9x4y)(8x2y2) 6 2 5 (x3y4)(xyz) (xyz2)2(xy)2 (9102)(8107) 3 4 (6x2y2)(4x2y4) (3a2b)(6a4) (6102)(3104) (5x3)(6x2y) (5a2b)(3b) (8x2y)(8xy) (9x2y)2(3xy2) (xy3z3)2(x3y)2 (4106)(8103) 6 (xy)(2x2y2) (6a5b2)(6b2) (6x4y)2(4xy4) 5 7 7 (x3y2)(xy
10、z) (xyz3)2(x2y)3 (7105)(5107) 8 8 (9x4y4)(5xy2) (9a2b4)(4a3) (7107)(6102) (3x3)(6x4y4) (9a4b3)(6b2) (3x3y)2(6x4y4) (9xy)2(9x4y3) (xy2z3)3(x2y)2 (4106)(4102) 7 (xy4)(2x3y4) (5a3b2)(2b3) (9x3y)4(2xy2) 8 4 3 (x4y4)(xyz) (xyz)(xy) (7106)(8103) 5 4 (3x3y3)(8x2y3) (8a3b)(8a) (4105)(7106) (3x2)(9x2y3) (7a2
11、b2)(2b4) (4xy)(6x4y3) (4x4y)(7xy) (xy2z2)2(xy)2 (5107)(2103) 4 (xy)(4x2y3) (7ab3)(3b2) (9x3y)2(4xy4) 5 9 4 (x2y2)(xyz) (xy3z2)3(x3y)2 (7108)(7108) 8 5 (3x2y2)(6xy2) (3ab2)(3a2) (6106)(4104) (2x4)(3xy2) (3ab3)(4b3) (3x2y)(9x3y3) (2x4y)2(5x2y4) (xy2z3)(x3y)2 (5104)(9104) 1 (x2y4)(8x4y4) (2a4b)(4b2) (6
12、x2y)4(6x4y2) 7 8 1 (x4y3)(xyz) (xy3z2)2(x3y)2 (8109)(6108) 7 4 (4x3y2)(5x2y) (5a5b)(3a) (5109)(5109) (7x2)(6xy) (6a5b4)(4b) (8x4y)3(2x3y3) (6x4y)4(6xy3) (xyz3)(x3y)2 (4104)(2106) 8 (x3y4)(6xy3) (3a2b4)(3b2) (9x3y)4(7x3y3) 7 5 5 (x4y3)(xyz) (xyz2)2(xy)2 (3105)(8102) 4 6 (5x4y)(9x4y2) (5a2b3)(9a3) (41
13、09)(9103) (3x4)(4xy2) (9ab4)(3b3) (2x3y)(6x4y2) (6x4y)4(4x3y2) (xyz)(x3y) (5106)(2102) 8 (x3y4)(9x2y3) (8a3b4)(8b4) (8x2y)(8x3y2) 7 1 5 (x2y2)(xyz) (xy2z2)2(x3y)3 (5104)(7106) 7 6 (3x2y4)(2x4y2) (9a2b3)(9a2) (7106)(7105) (7x)(3xy4) (2a2b3)(9b2) (9x4y)3(8xy) (2x2y)4(4x4y3) (xyz2)3(x3y) (5105)(6109) 5 (x4y)(5x3y) (8a3b3)(6b3) (9x3y)4(6xy3) 6 7 2 (x4y4)(xyz) (xy2z3)2(x2y)3 (5103)(4109) 8 3
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