初一数学下册单项式乘以多项式练习题精选 40.docx

1、初一数学下册单项式乘以多项式练习题精选 40 6ab(5ab8a2b) 6x(6x28x2) 3x(4x29y2) 9ab(2ab22ab) 1 5a(ab2b) 5ab(4a2b22a2b) 5 4 1 (a3b29a2b3)ab 2x(8x6y2) 3 3 1 1 (x3y23x2y3)xy2 4x(3x9x23) 3 6 3ab(9a2b9ab2) 2x(3x2x25) 2x(4x3y) 3ab(6a2b7ab) 3 6a(ab28b) 8ab(7ab3a2b) 4 5 2 (a3b36a2b3)ab 3x(8x3y) 4 3 1 1 (x3y22x3y3)xy 7x(3x26x6) 3

2、 7 7ab(4a2b5a2b2) 9x(7x22x23) 2x(8x28y) 7ab(6ab4ab2) 1 4a(ab28b2) 3ab(3ab6a2b2) 4 5 9 (a2b37a2b3)ab 9x(6x27y2) 6 8 7 1 (x3y25x3y3)xy 9x(9x23x21) 6 6 7ab(8a2b3a2b2) 4x(2x25x4) 6x(2x6y) 2ab(2a2b4a2b) 2 4a(a2b28b2) 7ab(2a2b8ab) 3 1 4 (a2b22a2b3)ab 5x(8x7y) 3 5 6 1 (x2y35x3y3)xy 8x(6x26x21) 5 4 8ab(5a2b

3、28ab) 2x(3x22x25) 4x(7x28y2) 7ab(7ab27a2b) 7 8a(a2b5b) 8ab(7ab28a2b2) 8 1 7 (a3b28a2b3)ab 9x(2x2y2) 8 8 1 6 (x2y32x3y3)xy2 7x(6x5x23) 3 5 5ab(4ab8a2b2) 8x(2x25x5) 7x(3x23y) 2ab(4a2b7ab) 4 4a(ab24b2) 3ab(5ab7a2b2) 5 1 7 (a2b24a3b2)ab 5x(5x24y) 5 8 9 7 (x2y28x3y3)xy 6x(9x3x9) 8 8 2ab(4a2b24ab) 9x(6x7x

4、3) 2x(2x5y) 5ab(3a2b29a2b) 1 9a(a2b8b2) 6ab(4a2b22ab) 4 9 1 (a2b27a3b2)ab 7x(5x26y) 8 3 3 1 (x3y39x2y2)xy 9x(9x6x25) 4 5 7ab(3a2b2a2b) 7x(3x25x7) 3x(2x26y2) 6ab(5ab5ab) 7 3a(a2b29b2) 8ab(8ab26a2b) 8 2 1 (a3b35a2b2)ab 7x(9x9y2) 3 4 2 1 (x3y39x2y3)xy2 8x(2x8x3) 3 6 8ab(5a2b3a2b) 5x(5x23x4) 4x(5x23y) 6

5、ab(2a2b25a2b2) 1 6a(ab2b) 8ab(9ab6ab) 5 1 1 (a3b36a2b3)ab 5x(7x24y) 6 7 4 1 (x3y25x2y3)xy 2x(2x8x27) 3 6 4ab(8a2b3ab) 7x(4x3x9) 9x(9x4y2) 5ab(2a2b5ab2) 5 2a(a2b2b2) 8ab(7ab5ab) 4 1 6 (a2b28a2b3)ab 8x(5x8y2) 5 5 7 6 (x3y29x2y3)xy 9x(6x27x1) 8 7 8ab(8a2b9a2b2) 7x(5x26x6) 6x(4x2y) 8ab(9a2b4a2b) 1 5a(a2

6、b8b2) 6ab(9ab29ab2) 7 4 1 (a2b28a2b2)ab 9x(6x22y) 3 5 4 5 (x2y38x3y3)xy2 5x(2x6x22) 3 6 3ab(2a2b29ab2) 5x(3x4x24) 7x(3x26y) 4ab(4a2b22ab) 7 7a(a2b4b2) 5ab(5ab5ab2) 8 6 3 (a2b24a3b2)ab 4x(2x7y) 7 4 7 5 (x3y35x2y2)xy 4x(8x7x3) 8 4 6ab(9ab23a2b) 2x(2x28x3) 5x(7x7y) 5ab(4ab6a2b) 7 8a(ab9b) 6ab(4a2b25a2b

7、2) 8 3 8 (a3b22a2b2)ab 3x(2x7y2) 4 7 8 2 (x2y38x3y2)xy2 3x(5x28x2) 7 3 3ab(4a2b24ab2) 3x(2x28x2) 6x(6x6y2) 6ab(8ab5a2b) 2 9a(ab7b2) 7ab(2a2b22ab2) 3 2 1 (a3b36a3b2)ab 9x(2x9y) 3 7 6 4 (x3y38x3y3)xy2 7x(8x5x25) 5 3 8ab(7a2b28ab) 2x(9x9x22) 6x(9x3y) 3ab(4a2b27ab2) 1 5a(ab7b) 2ab(8ab3a2b2) 4 6 8 (a3b28

8、a2b2)ab 9x(7x7y2) 5 7 5 1 (x3y26x3y3)xy2 8x(2x22x27) 6 5 2ab(9ab7a2b) 6x(6x28x5) 7x(8x8y) 7ab(2ab7a2b2) 5 5a(ab29b) 5ab(7ab3a2b) 4 1 8 (a2b34a2b2)ab 3x(6x24y) 3 7 3 5 (x2y36x3y2)xy2 9x(6x3x7) 4 6 2ab(6ab24a2b) 8x(9x8x27) 2x(3x24y2) 4ab(6ab29ab2) 1 5a(ab28b) 6ab(8ab5ab2) 3 7 1 (a3b37a3b3)ab 2x(4x22y)

9、 8 6 5 2 (x2y38x3y2)xy2 8x(7x29x24) 4 3 6ab(8ab24a2b) 8x(4x24x29) 4x(5x2y) 5ab(5a2b8ab2) 6 4a(ab28b2) 4ab(7a2b5a2b) 7 5 9 (a2b27a3b3)ab 8x(8x22y) 4 8 6 3 (x2y29x3y2)xy2 8x(9x23x23) 5 4 5ab(6a2b9ab) 9x(6x26x24) 8x(5x7y) 9ab(7a2b8ab2) 6 8a(a2b28b) 9ab(3ab5ab) 7 4 1 (a3b36a3b2)ab 2x(2x8y2) 5 3 1 4 (x3y37x3y2)xy2 9x(3x2x9) 7 5