初一数学下册单项式乘以多项式练习题精选 25.docx
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初一数学下册单项式乘以多项式练习题精选25
3ab(7a2b2+7a2b)4x(2x2+9x2-9)
-9x(5x-2y2)4ab(9a2b2-7ab2)
9
-2a(—a2b+8b)4ab(8a2b2-6a2b2)
8
76
(—a2b3+8a3b3)•—ab-9x(7x+3y)
65
43
(—x2y2-4x2y3)•—xy5x(2x+8x2+7)
34
7ab(2ab2-6ab)2x(9x2-2x-9)
-7x(9x+9y2)4ab(5a2b-6ab2)
1
-8a(—ab+5b)3ab(5a2b-3ab)
5
61
(—a2b2+9a2b2)•—ab-8x(3x2-4y)
76
71
(—x2y2+3x2y2)•—xy3x(8x+7x+7)
83
9ab(6a2b2-6a2b)7x(9x2-7x2+9)
-5x(9x2-2y)9ab(2ab+4a2b2)
4
-6a(—a2b+7b)3ab(5a2b2-7a2b)
3
31
(—a2b3-9a3b3)•—ab-6x(4x-3y)
45
17
(—x2y2+2x3y3)•—xy7x(8x2-3x2-9)
58
2ab(2a2b+8a2b)3x(9x+2x-1)
-6x(4x2+7y2)6ab(9ab-7a2b2)
8
-6a(—ab-3b)6ab(3ab2+2ab)
7
52
(—a3b2+8a2b3)•—ab-4x(8x2-7y2)
43
41
(—x3y3+7x2y2)•—xy25x(9x2+2x2+5)
54
5ab(4a2b+2ab)9x(7x2+5x+3)
-6x(3x-8y2)2ab(2a2b2-9a2b)
7
-7a(—a2b-3b2)5ab(3ab2-8a2b2)
8
15
(—a2b2-6a3b2)•—ab-7x(9x+3y)
74
11
(—x3y2+4x3y2)•—xy3x(9x-8x-5)
85
6ab(7ab-2a2b2)5x(3x2-7x2+3)
-4x(6x-6y2)6ab(7a2b2+3a2b)
4
-8a(—a2b+9b2)7ab(7a2b2+8ab)
5
18
(—a2b3+9a2b3)•—ab-2x(4x2-2y)
47
11
(—x3y2+3x3y2)•—xy24x(7x2-8x+8)
57
6ab(8ab2+2a2b)8x(2x2-3x2-7)
-5x(7x2+4y)7ab(5ab2-3a2b2)
1
-7a(—ab2-4b2)2ab(8a2b2+8ab2)
8
37
(—a3b2+7a3b2)•—ab-6x(8x2-6y)
46
16
(—x2y2-6x3y2)•—xy23x(4x-8x+5)
45
6ab(8a2b2-2ab)6x(8x2+7x+9)
-6x(9x2+9y2)4ab(2ab-7ab2)
1
-3a(—a2b2-9b)9ab(7a2b2+7a2b2)
7
76
(—a2b2+9a3b2)•—ab-5x(2x2-6y)
65
11
(—x3y3-2x3y3)•—xy27x(2x+7x2-6)
85
3ab(6a2b+4ab)2x(9x+2x2-1)
-2x(6x+7y)8ab(7ab2-6a2b)
7
-8a(—a2b2+7b)5ab(5a2b2+5a2b2)
6
15
(—a3b3-7a3b3)•—ab-6x(4x+9y2)
76
11
(—x2y3+8x3y3)•—xy27x(9x2-9x2-6)
75
9ab(7a2b2+2a2b)5x(6x2+2x2-2)
-4x(2x-6y)7ab(2ab-6a2b2)
3
-7a(—a2b2+5b)7ab(9a2b+8ab2)
4
69
(—a2b3-8a2b2)•—ab-6x(6x2-9y)
58
61
(—x2y2-8x2y2)•—xy22x(3x+7x-4)
78
3ab(5a2b2-6ab)3x(8x+5x2+7)
-5x(4x2-3y)8ab(9a2b-9a2b)
1
-6a(—ab2+2b2)4ab(6a2b+9a2b2)
3
82
(—a3b3-9a2b3)•—ab-5x(9x2+6y2)
73
26
(—x3y3+3x3y3)•—xy27x(9x-3x-1)
37
8ab(4ab+4a2b2)6x(7x2-9x2+9)
-2x(5x2-6y)5ab(9a2b2-3ab2)
1
-4a(—a2b2-9b2)6ab(7a2b2-8ab2)
4
51
(—a3b2-3a2b3)•—ab-8x(8x2+7y2)
64
14
(—x2y3-3x2y2)•—xy6x(5x+3x2+1)
55
8ab(4a2b-7ab2)8x(9x+6x2+4)
-7x(4x2+3y)9ab(5ab2+6ab2)
1
-4a(—a2b2-4b2)2ab(3ab+8ab)
5
65
(—a3b2+2a2b3)•—ab-6x(4x2-4y)
54
23
(—x3y2-3x3y2)•—xy22x(7x2+9x-9)
34
6ab(7a2b+8ab2)8x(3x2+2x-2)
-4x(3x-2y2)6ab(8a2b-5a2b)
1
-4a(—ab2-5b2)4ab(4a2b+4a2b)
3
56
(—a3b3-7a2b2)•—ab-9x(6x-6y2)
47
51
(—x2y2+9x2y3)•—xy7x(2x2-6x2-8)
44
9ab(3a2b2-5ab2)2x(4x2-7x+5)
-7x(3x2+9y)8ab(4a2b2+5a2b)
3
-5a(—ab-5b)8ab(3a2b+5ab2)
4
14
(—a3b2+7a3b3)•—ab-4x(6x2+4y2)
75
74
(—x3y3+8x2y3)•—xy7x(3x2-8x+3)
63
5ab(5a2b-8a2b)5x(4x2-7x-7)
-8x(8x2-5y2)7ab(5a2b-8a2b)
7
-4a(—a2b-9b2)3ab(7ab2-5ab)
8
34
(—a3b2+7a3b3)•—ab-2x(6x-4y)
45
85
(—x3y2-3x2y3)•—xy4x(8x-3x2-3)
76
8ab(6ab-5a2b)3x(8x+9x-9)
-7x(6x2-9y2)8ab(7ab2-9ab2)
4
-5a(—ab2-3b)7ab(5ab2-9a2b2)
3
68
(—a3b3+7a2b3)•—ab-9x(8x2-5y)
77
16
(—x3y3+2x2y3)•—xy22x(9x-3x2+6)
87
8ab(2ab+5a2b)6x(2x2+9x+7)
-7x(2x2+8y)6ab(9ab2+9a2b2)
9
-6a(—ab2-2b)3ab(8ab+6a2b)
8
95
(—a2b3+9a3b2)•—ab-8x(9x2-4y2)
86
21
(—x2y3+4x2y3)•—xy27x(8x-4x2+6)
35
8ab(9a2b2+2ab)2x(8x+5x2+4)
-8x(7x+9y2)7ab(9a2b-8ab2)
6
-6a(—a2b2-4b)4ab(5a2b2+2a2b)
5
39
(—a3b3-9a2b2)•—ab-3x(6x+7y2)
48
96
(—x2y2+5x3y3)•—xy27x(7x+4x2+5)
87