八年级数学上册单项式乘多项式100.docx

1、八年级数学上册单项式乘多项式100 (6x3)(6x2) 2a(8a5b) (7x8y)(5x) 4 1 (ab24ab)ab x(2x1)3x(x2)x(x3) 5 4 (3104)(3107) (a3b3)(2a) (3x)3(2x4y2) 3x49x 2y(2x3y) (3x)36x3 (3a)3(4a)2 7a3a3 9y3y (4x4)(3x2) 8a(6a6b) (9x4y)(3x) 3 1 (ab26ab)ab2 x(2x3)4x(x3)2x(x1) 4 3 (5109)(5109) (8a3b3)(6a2) (4x)2(3x2y5) 7x44x4 3y(8xy4) (2x)32

2、x2 (2a)2(4a)3 9a9a 6y42y3 (x2)(3x6) 5a(6a8b) (9x2y)(7x) 5 1 (ab32ab)ab x(x4)4x(x1)x(x2) 4 5 (8102)(8108) (a4b4)(2a3) (2x)2(2x3y5) 8x4x4 5y(2xy2) (2x)38x4 (2a)3(2a)3 6a4a 7y32y (x2)(6x4) 2a(2a5b) (9x6y)(8x) 5 1 (ab34ab)ab3 x(3x4)4x(4x1)2x(x1) 4 5 (2107)(2106) (4ab)(3a) (3x)3(2x4y4) 4x9x 6y(5x2y) (3x)

3、36x3 (4a)2(2a)3 4a45a3 9y2y3 (x4)(6x2) 8a(6a8b) (9x5y)(4x) 4 1 (ab22ab)ab 2x(2x2)4x(2x4)x(2x4) 5 4 (6106)(9104) (ab4)(7a) (4x)3(4x4y4) 7x32x3 6y(8xy) (4x)27x4 (4a)3(3a)2 8a9a 3y28y3 (x2)(7x3) 5a(8a9b) (3x3y)(9x) 4 1 (ab25ab)ab x(x3)x(2x3)3x(2x2) 5 4 (2102)(2103) (ab)(8a3) (2x)2(4x3y2) 9x27x 2y2(6x3y

4、) (4x)29x4 (2a)3(3a)3 7a9a4 8y45y (4x3)(2x9) 5a(7a6b) (4x4y)(4x) 3 1 (ab33ab)ab 4x(x2)4x(x3)x(2x4) 4 3 (3106)(9103) (ab)(3a3) (2x)3(3x2y5) 2x8x 7y(8xy3) (3x)24x2 (2a)2(4a)3 9a5a2 5y3y4 (x2)(9x3) 4a(3a4b) (4x4y)(3x) 6 1 (ab22ab)ab2 2x(3x2)x(x2)4x(x3) 5 6 (9104)(2104) (a4b3)(3a) (4x)2(4x2y3) 7x49x3 6y

5、(3x3y) (3x)39x2 (2a)2(4a)3 5a8a 6y46y (4x3)(2x4) 6a(9a6b) (7x5y)(8x) 4 1 (ab22ab)ab3 x(2x3)4x(2x2)3x(3x1) 5 4 (4107)(5106) (ab4)(2a4) (2x)3(2x4y5) 7x47x 7y2(8xy2) (2x)25x4 (2a)3(3a)3 6a28a 2y22y (x3)(2x3) 7a(8a6b) (5x8y)(5x) 7 1 (ab34ab)ab2 3x(x4)2x(x1)3x(x4) 6 7 (3108)(7103) (ab)(4a2) (3x)3(4x3y3)

6、3x33x 2y3(4xy3) (2x)39x2 (4a)2(3a)2 2a8a2 7y35y3 (8x3)(2x5) 8a(5a9b) (8x9y)(9x) 5 1 (ab34ab)ab x(4x3)x(3x2)x(3x1) 6 5 (9106)(8107) (a2b)(8a2) (3x)3(2x2y4) 8x27x 3y4(7xy) (4x)35x3 (2a)2(2a)3 3a9a 8y6y4 (9x4)(8x3) 4a(8a4b) (9x9y)(3x) 6 1 (ab23ab)ab3 4x(2x1)2x(x2)4x(x2) 5 6 (6108)(2108) (ab3)(4a3) (4x)

7、2(3x4y5) 3x43x 9y(8xy) (2x)34x4 (4a)3(4a)3 4a37a 4y43y4 (x3)(2x5) 7a(5a8b) (2x6y)(3x) 2 1 (ab25ab)ab2 x(2x1)x(2x1)x(4x1) 3 2 (5105)(9108) (ab)(5a3) (3x)3(2x2y2) 2x5x2 6y(5x3y3) (4x)35x2 (2a)3(2a)3 8a4a 9y8y (x2)(3x8) 5a(6a8b) (6x4y)(2x) 3 1 (ab22ab)ab3 x(x4)x(4x4)3x(4x4) 4 3 (8104)(8109) (a3b2)(6a)

8、(3x)2(2x4y3) 8x5x3 2y(2x3y) (4x)24x3 (3a)2(2a)2 3a7a 2y6y2 (4x4)(3x1) 2a(7a6b) (2x4y)(4x) 4 1 (ab34ab)ab2 4x(2x3)4x(x3)4x(4x3) 3 4 (4109)(3108) (a2b3)(3a4) (4x)3(2x2y4) 8x48x 6y4(5xy4) (2x)34x2 (3a)2(4a)2 7a8a 8y44y4 (6x2)(3x7) 2a(5a6b) (6x5y)(2x) 5 1 (ab32ab)ab x(4x3)2x(3x2)4x(2x4) 4 5 (7104)(9106)

9、 (ab)(4a2) (3x)2(2x3y5) 2x29x2 5y(6x3y3) (3x)25x3 (3a)3(2a)3 7a2a3 6y32y (2x2)(4x5) 3a(7a5b) (4x7y)(7x) 2 1 (ab35ab)ab x(2x2)4x(x3)x(3x3) 3 2 (5107)(6109) (ab4)(6a4) (4x)2(4x4y3) 8x6x3 9y(3x2y4) (4x)27x3 (3a)3(3a)3 6a2a 6y24y (4x2)(5x8) 3a(9a8b) (4x6y)(4x) 7 1 (ab35ab)ab2 x(4x3)4x(x1)3x(x3) 6 7 (810

10、5)(6106) (ab)(2a2) (3x)3(2x4y5) 2x49x3 2y4(4xy4) (3x)36x2 (3a)3(3a)3 3a45a 5y46y (5x3)(9x6) 4a(7a9b) (2x8y)(4x) 7 1 (ab32ab)ab 3x(4x2)2x(2x3)4x(x1) 6 7 (8105)(6104) (ab3)(4a) (2x)3(2x4y5) 7x29x 8y2(9x3y4) (3x)33x4 (2a)3(4a)3 7a49a2 3y43y (x4)(9x6) 3a(2a7b) (7x8y)(9x) 3 1 (ab36ab)ab2 4x(4x1)3x(x1)x(x2) 4 3 (2103)(9108) (ab4)(6a) (2x)3(4x4y2) 7x38x4 6y2(7x3y) (2x)29x4 (2a)2(4a)2 8a44a 8y47y