初一数学下册单项式乘以多项式练习题精选 4.docx
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初一数学下册单项式乘以多项式练习题精选4
7ab(5ab2+3a2b)4x(7x2-6x2-6)
-6x(4x2-2y2)2ab(4ab2-9a2b2)
5
-5a(—a2b2+3b)6ab(4a2b+5a2b2)
4
87
(—a2b3-7a3b2)•—ab-7x(7x2+6y)
78
61
(—x2y2-6x2y3)•—xy5x(7x-6x2+1)
75
4ab(7a2b2+3a2b)2x(9x2+9x-6)
-2x(9x2-8y)6ab(6a2b2-3a2b)
4
-3a(—ab2+9b)5ab(7a2b2+9a2b2)
3
41
(—a2b2+3a2b2)•—ab-2x(7x2-3y2)
57
71
(—x2y3+9x2y3)•—xy25x(7x2+2x2+9)
85
6ab(5a2b2+3ab)5x(5x+4x+1)
-2x(6x-7y)7ab(4a2b+6ab)
1
-8a(—a2b2-7b)6ab(3a2b+5ab)
4
91
(—a2b2-2a2b3)•—ab-4x(3x+3y2)
88
46
(—x2y3+8x3y2)•—xy5x(2x-7x-1)
37
8ab(4a2b+4a2b)6x(2x-4x+5)
-9x(6x2+5y2)7ab(7a2b2-8a2b2)
8
-3a(—ab+5b2)9ab(8a2b+7ab2)
7
15
(—a3b3+5a3b3)•—ab-7x(3x2+4y2)
64
54
(—x2y2-8x2y2)•—xy22x(3x+2x2+8)
63
5ab(2a2b-3ab)3x(9x-7x2-7)
-4x(8x+2y2)9ab(4a2b-3a2b)
1
-5a(—ab-9b2)5ab(2ab2-8a2b2)
5
57
(—a3b3-3a2b2)•—ab-2x(9x2+6y)
46
71
(—x3y2+6x3y2)•—xy29x(5x+4x2-2)
65
2ab(8a2b2+7a2b)9x(8x-2x2+1)
-2x(7x-6y)2ab(2ab2+6a2b)
2
-5a(—a2b-2b2)5ab(9a2b-3ab2)
3
21
(—a2b2-2a3b2)•—ab-6x(8x-9y2)
35
41
(—x3y3-6x3y2)•—xy29x(2x2-8x2+4)
56
3ab(9a2b2+2ab2)6x(8x-7x-8)
-7x(7x-5y2)8ab(7a2b2+3ab)
4
-3a(—ab2+7b2)2ab(9ab2-5a2b)
5
41
(—a2b2+5a3b3)•—ab-5x(5x-7y)
56
16
(—x3y2+2x2y2)•—xy25x(4x2+7x2+4)
87
7ab(6ab+3a2b)8x(3x2+3x-5)
-4x(2x+9y)9ab(7a2b+9a2b)
7
-2a(—ab-9b2)3ab(5ab2-4ab)
6
41
(—a3b2+8a2b2)•—ab-4x(8x-6y2)
53
71
(—x2y2-8x2y3)•—xy9x(5x2+3x2-8)
66
7ab(2ab+8ab)3x(8x+4x-1)
-6x(9x2+4y2)3ab(4ab2+8ab2)
1
-6a(—ab-5b2)9ab(3ab-9ab2)
6
17
(—a3b3-8a2b2)•—ab-3x(3x+2y2)
56
91
(—x3y2+7x2y2)•—xy9x(6x2-2x+8)
88
7ab(4a2b-5ab)3x(3x-8x+6)
-7x(6x2-7y)6ab(3a2b2-2a2b)
6
-4a(—a2b2+7b)7ab(5a2b+4ab2)
5
29
(—a3b2+8a3b3)•—ab-5x(5x2+8y)
38
26
(—x2y3+2x3y2)•—xy23x(4x-8x2-7)
35
4ab(7a2b+8a2b2)4x(7x2+4x2+3)
-6x(9x+3y2)4ab(7a2b+6a2b)
6
-7a(—a2b-7b2)9ab(3ab-7a2b)
7
73
(—a3b3+8a2b2)•—ab-4x(2x-7y)
64
14
(—x2y3-5x3y3)•—xy5x(7x2+8x-5)
45
2ab(4a2b+4ab2)9x(7x2+7x2-5)
-8x(7x+3y2)3ab(6ab-7ab2)
9
-2a(—ab2+9b2)3ab(7ab+8ab2)
8
45
(—a3b3+6a2b3)•—ab-7x(7x+3y)
56
61
(—x3y3+8x2y3)•—xy9x(5x2+4x+4)
77
7ab(8a2b+2ab2)5x(8x+3x-2)
-4x(2x+6y)8ab(3a2b+7ab)
8
-9a(—ab2-5b)6ab(7a2b-7ab2)
7
31
(—a3b3-8a3b3)•—ab-3x(4x+8y2)
44
44
(—x2y3+4x3y3)•—xy8x(9x-8x2-5)
35
5ab(8ab-4a2b)3x(3x+2x2+9)
-3x(6x2-2y2)9ab(4ab2-3a2b2)
4
-8a(—a2b2+6b)5ab(2a2b2+3a2b)
3
13
(—a2b3-6a2b3)•—ab-8x(6x+7y2)
34
41
(—x2y3+5x3y2)•—xy2x(8x2-9x-9)
37
2ab(3ab+3ab)6x(3x2+8x2+6)
-5x(3x-3y)5ab(9a2b2-4ab)
5
-6a(—a2b2+2b)8ab(8ab-9ab2)
6
45
(—a2b2-3a3b2)•—ab-5x(2x-8y)
34
69
(—x3y3-7x2y3)•—xy8x(8x-6x2-8)
58
7ab(6a2b2+4a2b)3x(8x2+8x2+5)
-6x(5x+6y)2ab(3ab2+4a2b)
6
-5a(—a2b-8b2)3ab(8ab2-7a2b2)
5
96
(—a2b2+5a3b2)•—ab-3x(2x2+6y)
85
41
(—x3y3+2x3y3)•—xy2x(5x2+4x+1)
34
9ab(9a2b+8a2b2)2x(4x-3x+9)
-6x(2x2-7y2)7ab(5a2b2+9ab2)
6
-6a(—ab2-2b)7ab(9a2b2+8ab2)
5
21
(—a2b2-6a2b2)•—ab-2x(5x2-8y)
35
15
(—x2y3+6x3y3)•—xy27x(7x+3x2+1)
66
3ab(4ab+3ab2)2x(9x2-5x-5)
-3x(4x2-9y2)6ab(4a2b2-7a2b)
3
-3a(—ab2-9b)4ab(9a2b-7a2b2)
4
47
(—a2b3-3a3b2)•—ab-7x(9x+4y)
58
14
(—x2y2+3x3y3)•—xy29x(7x+3x-2)
63
2ab(5ab2-2ab2)3x(6x2-3x2+5)
-4x(7x2-6y)6ab(6ab2-7ab)
5
-2a(—ab2-8b)6ab(9a2b2+5ab2)
6
67
(—a2b2+7a2b2)•—ab-2x(8x2-3y2)
76
27
(—x3y2-5x3y2)•—xy5x(2x-2x2-9)
36