初一数学下册单项式乘以多项式练习题精选 10.docx
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初一数学下册单项式乘以多项式练习题精选10
2ab(4a2b-4ab2)5x(7x2-2x2+3)
-3x(9x+7y)7ab(2a2b-7a2b2)
5
-7a(—ab2-3b2)3ab(7a2b2-4a2b2)
4
51
(—a2b2-3a2b2)•—ab-8x(6x-9y2)
66
18
(—x2y2+7x2y2)•—xy6x(9x-8x+9)
77
9ab(5a2b+4a2b)6x(7x2+7x-8)
-7x(3x-6y2)8ab(7a2b+8ab2)
6
-3a(—ab2-4b2)7ab(9a2b2-5ab)
7
52
(—a3b3+4a3b2)•—ab-9x(4x2-9y)
63
66
(—x3y3+6x2y2)•—xy4x(2x-2x-6)
77
8ab(5a2b+5ab)7x(7x-5x-9)
-3x(5x+3y2)2ab(3ab+6ab2)
9
-9a(—ab-8b2)8ab(8a2b+5ab2)
8
61
(—a3b2-7a3b2)•—ab-4x(6x+8y)
56
32
(—x3y2-5x3y2)•—xy9x(9x+4x2-7)
43
2ab(9ab+2ab2)3x(3x2+2x+5)
-9x(5x+5y2)2ab(3a2b-8ab)
1
-4a(—ab2+8b)5ab(4a2b+6ab2)
7
41
(—a3b2+9a2b2)•—ab-5x(2x-4y2)
57
71
(—x3y2-6x3y3)•—xy9x(9x2+4x2+5)
66
2ab(8ab2+8a2b)6x(8x2-3x-7)
-9x(4x-7y2)3ab(6a2b+9ab)
6
-6a(—a2b2+2b2)6ab(8a2b+4ab2)
5
82
(—a2b3+5a2b2)•—ab-6x(6x-4y2)
73
71
(—x3y2+5x3y2)•—xy28x(2x2+8x2+3)
67
8ab(9a2b2+7ab)3x(6x+6x+6)
-6x(6x2-6y)5ab(5a2b2-7ab)
2
-8a(—a2b2-9b2)8ab(8a2b-9ab)
3
14
(—a2b2+3a2b2)•—ab-3x(7x-4y)
83
56
(—x2y2+7x3y2)•—xy25x(6x2+2x-6)
65
9ab(3ab2+6a2b)8x(6x-4x-4)
-3x(3x-2y)2ab(2a2b2-4a2b2)
4
-4a(—a2b2-8b2)5ab(4ab2-5a2b)
5
78
(—a2b2+2a2b2)•—ab-3x(8x-7y2)
87
95
(—x2y2+2x3y2)•—xy25x(7x2-7x2+4)
86
3ab(8a2b2+7ab2)3x(4x2-4x2-5)
-8x(7x2+3y)6ab(5a2b2-3ab2)
1
-7a(—ab-2b2)5ab(2a2b+8ab2)
8
31
(—a2b2+2a3b2)•—ab-2x(7x2+3y2)
43
26
(—x3y3+2x3y2)•—xy25x(7x+9x2+6)
35
2ab(3a2b2+7a2b)2x(8x2-9x+7)
-4x(2x2-8y)4ab(2a2b+8a2b2)
5
-6a(—ab2-8b2)8ab(7ab2+9ab2)
6
11
(—a2b3+9a3b2)•—ab-9x(3x2+3y2)
74
16
(—x3y2-4x3y2)•—xy7x(9x2+8x2-5)
37
7ab(9ab2-3a2b)9x(4x-4x2+3)
-3x(8x+8y2)8ab(8a2b+5ab)
1
-3a(—ab2+8b)8ab(5ab-9ab)
4
41
(—a2b3-9a2b2)•—ab-3x(5x+8y)
34
55
(—x3y3+7x3y3)•—xy29x(3x+9x-4)
44
2ab(7ab2+3a2b)2x(6x+9x2+4)
-6x(6x-5y2)3ab(2ab-4ab)
7
-5a(—a2b+2b2)5ab(3a2b2-5a2b2)
6
41
(—a3b3-5a2b2)•—ab-9x(6x-3y)
34
11
(—x2y3+4x3y3)•—xy25x(9x2+2x2-4)
44
3ab(8ab2+9a2b)3x(3x2-5x2+2)
-4x(2x+6y2)7ab(7a2b+4a2b)
1
-5a(—a2b2-5b2)8ab(4a2b-6ab2)
4
64
(—a2b2+4a3b2)•—ab-2x(3x2+2y)
73
41
(—x2y2+2x2y2)•—xy4x(5x+7x+8)
36
2ab(5a2b2+6a2b2)9x(7x-5x2+8)
-4x(6x+8y)5ab(4ab2-4ab2)
4
-8a(—ab+5b2)8ab(5a2b-3ab2)
5
31
(—a3b2-7a2b2)•—ab-2x(6x2-9y)
45
14
(—x2y3-8x3y3)•—xy22x(2x2-7x2-9)
75
3ab(5ab-9ab)5x(7x2-5x-6)
-5x(9x2-5y2)4ab(9ab+9ab2)
4
-8a(—ab2+5b2)7ab(3a2b+7ab2)
3
54
(—a3b3-3a2b2)•—ab-7x(6x2-6y)
43
11
(—x2y2+9x2y2)•—xy27x(6x2+3x+5)
73
9ab(4ab2+9a2b)2x(5x-3x+3)
-5x(2x-7y)8ab(6a2b2+4ab2)
6
-3a(—ab+7b2)2ab(9ab2+3ab)
5
51
(—a2b3+5a2b2)•—ab-6x(7x-3y2)
43
36
(—x3y2-8x2y3)•—xy29x(6x+9x-5)
47
3ab(3a2b2+8ab2)2x(2x+2x2+1)
-8x(2x+5y)5ab(8ab2-4a2b2)
1
-2a(—a2b2+7b2)3ab(9a2b+5ab2)
6
44
(—a3b3+9a2b2)•—ab-7x(2x2+5y2)
35
14
(—x3y3+7x2y2)•—xy5x(6x+4x2-4)
53
7ab(9a2b2+5ab)2x(4x2-4x2-2)
-6x(7x2+9y)4ab(2a2b2+9a2b2)
4
-8a(—a2b2+8b2)3ab(9ab2+6a2b2)
3
11
(—a2b3-2a2b3)•—ab-5x(4x-5y2)
53
16
(—x3y3+2x2y2)•—xy9x(9x-2x-1)
77
5ab(2ab+5ab2)6x(9x2-8x2-3)
-7x(6x2+2y)9ab(3ab+6ab2)
1
-4a(—ab2-8b2)5ab(5ab2-6ab)
6
55
(—a2b2-7a3b2)•—ab-3x(7x2-6y)
46
28
(—x3y2-5x2y3)•—xy9x(3x-2x+2)
37
7ab(7a2b2+7a2b2)8x(3x2-2x2+3)
-5x(8x2+5y)5ab(6ab2-6ab2)
1
-4a(—ab+7b2)7ab(7ab2-4a2b2)
8
12
(—a3b2+9a3b2)•—ab-7x(6x-6y2)
83
61
(—x3y2+8x2y3)•—xy6x(4x2+5x2-1)
54