初一数学下册单项式乘以多项式练习题精选.docx
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初一数学下册单项式乘以多项式练习题精选
3ab(6ab-5ab2)5x(5x2+2x2-4)
-6x(4x-7y2)5ab(2a2b2-3ab2)
9
-4a(—ab2-7b2)9ab(8ab-6a2b)
8
65
(—a2b3-8a2b2)•—ab-2x(6x-8y)
54
71
(—x2y3-4x2y3)•—xy6x(9x2+8x2+9)
67
9ab(8ab-7ab2)6x(6x2+8x-9)
-3x(3x-3y2)6ab(9ab-7a2b)
4
-4a(—ab+7b)8ab(2ab2-8a2b)
5
11
(—a3b2-5a3b3)•—ab-5x(3x2-5y2)
54
53
(—x3y3-9x3y3)•—xy26x(7x+3x-9)
44
8ab(2ab2-8ab)9x(5x-8x2-3)
-9x(6x2+8y2)8ab(3ab-3a2b)
5
-7a(—ab+7b2)4ab(9a2b2-5a2b2)
4
56
(—a2b2+9a3b2)•—ab-7x(3x2+8y)
45
86
(—x2y3-6x3y3)•—xy7x(3x-5x+4)
75
4ab(2ab2-2ab2)2x(7x-9x-9)
-5x(5x2+5y2)9ab(2a2b2-4ab)
7
-4a(—ab-4b)2ab(5ab-3a2b)
8
51
(—a2b2+2a2b2)•—ab-4x(2x2-8y2)
47
61
(—x3y2+7x2y3)•—xy6x(9x-3x-2)
77
3ab(5ab+6ab2)4x(6x2+5x2-3)
-2x(2x2-9y2)9ab(8ab2-7ab2)
5
-9a(—ab-5b)4ab(4a2b-4a2b2)
6
55
(—a3b3+9a2b3)•—ab-8x(4x2+7y)
64
45
(—x2y2-6x2y3)•—xy24x(9x-8x2+8)
56
7ab(5ab+5ab)4x(7x-9x2+5)
-3x(5x-9y2)8ab(5ab2+2a2b)
7
-9a(—a2b2+9b2)3ab(9ab+8a2b)
6
87
(—a2b2-9a3b3)•—ab-2x(7x2-2y2)
76
71
(—x2y3-7x3y3)•—xy3x(4x+8x+2)
86
8ab(6ab-5ab2)9x(2x-4x2-1)
-7x(5x2-9y2)9ab(2a2b2-3ab)
1
-7a(—a2b2-9b)5ab(9a2b-2a2b2)
3
15
(—a3b3-7a2b3)•—ab-6x(6x-3y)
54
11
(—x3y3+2x2y2)•—xy7x(9x+9x2+7)
75
4ab(5ab2+5ab2)3x(7x-4x-7)
-5x(2x2-4y2)6ab(6ab+7ab2)
6
-7a(—a2b2+3b2)3ab(4a2b-3a2b)
5
17
(—a2b2-2a3b3)•—ab-7x(9x+3y2)
66
44
(—x3y3-9x2y2)•—xy28x(3x2-5x-8)
35
4ab(6a2b2-3a2b)9x(6x-9x2+6)
-3x(8x2-9y2)2ab(3ab-7ab)
2
-6a(—a2b2-2b2)7ab(2ab-2ab2)
3
51
(—a2b3-5a3b3)•—ab-9x(7x2-8y2)
48
58
(—x3y2-7x2y2)•—xy9x(3x-7x2+5)
67
9ab(3ab-2a2b2)8x(3x+2x+7)
-7x(2x+9y)7ab(2ab+4ab2)
6
-6a(—ab+5b)9ab(5a2b+8a2b2)
5
21
(—a2b3+9a3b3)•—ab-8x(4x-8y)
34
17
(—x2y3+5x3y2)•—xy28x(4x-5x-6)
86
3ab(2ab+4ab2)3x(3x2+5x+2)
-9x(9x2+6y)5ab(3a2b2+4ab)
4
-4a(—ab2-5b)5ab(4ab2-9a2b)
5
15
(—a3b3-2a3b2)•—ab-9x(8x2+7y2)
84
55
(—x3y3+3x3y2)•—xy7x(3x-6x-2)
44
7ab(9ab2-7ab)4x(4x+9x2+5)
-5x(7x-8y)5ab(7ab+9a2b2)
6
-9a(—a2b-4b)3ab(3ab2-6ab2)
5
47
(—a2b3+6a2b2)•—ab-9x(6x-4y)
58
84
(—x3y3+6x2y3)•—xy2x(8x2-3x2-7)
73
9ab(4ab2-5a2b2)6x(4x-6x2-3)
-5x(6x+7y2)5ab(9a2b+8ab2)
1
-4a(—a2b-4b)3ab(3ab2-8ab2)
3
42
(—a2b3-2a2b3)•—ab-3x(4x2-2y2)
33
96
(—x3y3-8x2y2)•—xy27x(5x2-3x-4)
87
2ab(5a2b2+7a2b2)7x(9x-6x2+8)
-3x(4x-3y2)3ab(3ab2-9ab)
1
-6a(—a2b+4b)8ab(7ab-8ab2)
8
56
(—a3b2-5a3b2)•—ab-2x(3x-2y)
65
52
(—x2y3-5x2y2)•—xy7x(3x+3x-4)
63
4ab(2ab2-6ab2)9x(6x2+3x-5)
-9x(3x2-5y)2ab(7a2b2-8a2b)
5
-3a(—a2b+6b)6ab(5a2b+3ab2)
6
41
(—a2b3-8a3b2)•—ab-8x(3x2+9y)
34
68
(—x2y3-5x3y2)•—xy8x(9x-6x2+7)
77
8ab(5a2b-8a2b)2x(9x-7x2+6)
-3x(7x2+2y2)9ab(6ab+9a2b)
4
-8a(—ab2+3b2)8ab(8ab-7a2b2)
3
11
(—a3b3-6a3b2)•—ab-2x(3x+2y)
35
91
(—x3y2+6x3y2)•—xy7x(7x-7x2-3)
84
8ab(8a2b2-8ab)7x(4x2+2x2+5)
-9x(8x-4y2)8ab(7ab-3a2b)
1
-3a(—a2b2+7b2)2ab(7a2b-8ab)
4
42
(—a2b3+6a2b2)•—ab-2x(5x+8y)
53
45
(—x3y3+4x3y3)•—xy5x(8x2-8x-8)
56
7ab(3ab2-2ab)5x(2x2-4x+7)
-4x(5x2-9y)4ab(8ab-8a2b2)
1
-7a(—a2b2-9b2)8ab(9a2b2+8ab)
6
26
(—a3b3+3a3b2)•—ab-9x(6x2+9y2)
35
16
(—x2y3+5x2y3)•—xy6x(8x+7x+5)
85
7ab(9a2b2-2ab2)9x(4x2+4x2+2)
-5x(9x2-8y2)9ab(7ab+6ab)
1
-3a(—ab2-3b)8ab(8a2b-5a2b2)
5
51
(—a3b2+2a3b2)•—ab-6x(9x2+7y2)
63
56
(—x2y2+3x3y3)•—xy4x(8x-7x2+3)
67