初一数学下册单项式乘以多项式练习题精选 33.docx
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初一数学下册单项式乘以多项式练习题精选33
4ab(4a2b2-7a2b)6x(5x2+4x2+1)
-6x(2x2+5y)8ab(9ab2+3ab)
2
-6a(—a2b2+3b)8ab(3ab2-2ab2)
3
11
(—a2b3-2a2b2)•—ab-2x(5x2+8y)
84
18
(—x3y3+7x2y3)•—xy28x(5x2+9x2+4)
77
3ab(4a2b2-5ab)2x(3x+2x2-3)
-5x(9x+8y2)8ab(5a2b2-8a2b2)
4
-8a(—ab2+7b2)3ab(4a2b2+6ab2)
5
21
(—a2b2-6a3b2)•—ab-2x(4x2-9y)
38
14
(—x3y3-4x2y3)•—xy4x(6x2+8x2+9)
55
5ab(7ab2+7ab)6x(9x2-5x2-8)
-9x(8x-3y2)8ab(7ab2-8a2b2)
1
-4a(—ab+4b)9ab(9ab-3a2b)
4
45
(—a2b2+4a2b3)•—ab-3x(2x+2y)
34
98
(—x3y3-3x2y2)•—xy4x(6x2+7x2+6)
87
4ab(4a2b2+9ab)2x(2x-7x-8)
-7x(8x-2y2)5ab(2a2b-2ab2)
9
-3a(—a2b-2b2)5ab(6ab-2ab2)
8
16
(—a3b2-6a2b3)•—ab-3x(4x-5y2)
37
17
(—x3y2-7x2y2)•—xy9x(6x+8x2+5)
48
6ab(7ab2-8ab2)7x(8x-4x2+2)
-9x(8x-7y)5ab(5a2b-4ab2)
2
-3a(—ab-7b)8ab(3a2b-5a2b2)
3
22
(—a3b3-4a3b2)•—ab-6x(4x+7y2)
33
35
(—x3y3-7x3y3)•—xy6x(7x-5x+7)
44
4ab(2ab-3a2b2)6x(2x2-7x+3)
-7x(6x-4y2)5ab(4ab2+6a2b2)
8
-7a(—a2b+8b2)2ab(7a2b2-2ab2)
7
14
(—a3b3-9a3b2)•—ab-7x(8x-9y2)
53
97
(—x3y2-5x3y2)•—xy25x(3x-8x+5)
86
6ab(6ab2-9a2b2)4x(8x2-8x+8)
-6x(9x2+3y)6ab(3ab2-3a2b2)
7
-2a(—a2b2-9b2)3ab(5ab2-7a2b2)
8
11
(—a2b2-3a2b2)•—ab-7x(3x2-6y2)
45
74
(—x3y2-7x2y3)•—xy28x(6x+5x2+8)
63
9ab(7ab-2a2b)6x(6x-8x2+1)
-3x(8x+5y2)7ab(6a2b2-4a2b2)
2
-9a(—a2b2-8b)2ab(8a2b-4ab)
3
11
(—a2b2-3a3b3)•—ab-2x(8x2+9y2)
46
56
(—x2y3+4x3y3)•—xy8x(7x+5x2+3)
45
9ab(2a2b2+2a2b2)4x(6x2+2x-8)
-8x(2x2-2y2)5ab(7ab2-9ab)
1
-9a(—ab+9b2)3ab(7a2b+8ab)
7
81
(—a2b2-4a2b3)•—ab-3x(9x2-2y2)
74
74
(—x3y3+6x2y2)•—xy22x(7x2+3x2+5)
83
7ab(7a2b-4ab2)5x(7x-3x+8)
-8x(5x2+5y2)9ab(7ab-8ab)
5
-7a(—ab+3b2)7ab(7a2b-3a2b)
4
25
(—a3b2-5a2b3)•—ab-4x(5x+3y2)
36
11
(—x3y2-6x3y3)•—xy3x(9x2-2x-9)
46
5ab(3ab2-3a2b2)6x(9x-6x2+5)
-4x(2x2-9y2)2ab(4a2b2-4a2b)
7
-3a(—a2b2-3b2)9ab(8a2b+4ab2)
8
61
(—a3b2+8a2b2)•—ab-2x(4x2-5y)
73
21
(—x3y2+9x3y2)•—xy4x(4x2-9x-7)
38
2ab(4a2b+9ab)3x(3x2-8x-7)
-5x(3x2+3y)5ab(4ab-9ab)
8
-8a(—ab-2b)6ab(6ab-6a2b2)
7
41
(—a2b3+8a3b3)•—ab-8x(4x-4y2)
34
11
(—x3y3+5x2y2)•—xy6x(6x+5x-4)
35
4ab(4ab2+8ab)8x(9x-7x2+2)
-7x(8x-9y)5ab(3a2b2-3a2b2)
9
-5a(—ab2-9b2)6ab(4ab-6a2b2)
8
98
(—a2b2+3a3b3)•—ab-7x(5x2-2y2)
87
51
(—x3y3-4x2y3)•—xy6x(2x2+2x2+5)
63
3ab(5ab-5ab2)9x(5x2-7x-2)
-2x(3x-7y2)6ab(6ab-6ab2)
4
-2a(—ab-7b2)4ab(6a2b-8a2b2)
3
93
(—a3b3-4a3b3)•—ab-6x(6x2-5y2)
84
61
(—x3y3-5x3y3)•—xy24x(2x-9x-6)
55
9ab(5ab-6a2b2)7x(5x2+7x2+6)
-6x(7x-8y)8ab(9ab2+3ab)
6
-7a(—ab+5b)8ab(2a2b2-6a2b2)
5
49
(—a2b3+3a2b3)•—ab-2x(2x2-4y)
38
17
(—x2y2+2x2y3)•—xy28x(9x2-9x2-8)
56
7ab(7a2b+9ab)9x(3x-8x2+7)
-4x(4x2+4y2)9ab(2a2b2-6ab2)
4
-3a(—ab2+8b)8ab(5ab2-2a2b)
5
11
(—a3b2-4a2b3)•—ab-6x(5x+2y2)
53
31
(—x3y3-5x2y3)•—xy29x(6x2+5x2+9)
43
4ab(6ab+7a2b)4x(2x2-4x2+5)
-2x(8x-6y)2ab(5a2b2+8a2b)
8
-2a(—a2b+3b2)7ab(5a2b2+2a2b2)
7
15
(—a2b2+6a2b3)•—ab-4x(7x-8y2)
84
26
(—x2y3+2x3y2)•—xy25x(9x2+3x-8)
37
8ab(4ab-9a2b)3x(2x2-3x2+1)
-5x(2x-4y2)2ab(7a2b2+3a2b2)
7
-7a(—a2b2-5b)8ab(4ab2-8a2b2)
6
11
(—a3b2-7a3b3)•—ab-4x(6x2-9y)
73
55
(—x2y2-9x2y3)•—xy7x(6x+5x-1)
66
9ab(5ab-8ab2)4x(7x2-4x2-5)
-2x(6x2+9y)8ab(4ab2+6a2b)
4
-6a(—a2b+8b)4ab(8a2b-5a2b2)
3
17
(—a2b3+6a3b3)•—ab-9x(6x2+4y)
76
11
(—x2y2+3x3y3)•—xy24x(5x-5x-9)
54