初一数学下册单项式乘以多项式练习题精选 39.docx
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初一数学下册单项式乘以多项式练习题精选39
6ab(3a2b2+8ab2)6x(5x2-7x2-3)
-9x(5x-7y2)3ab(3ab2-8ab)
6
-6a(—a2b-6b2)7ab(9ab2+5ab)
7
31
(—a2b3-2a2b3)•—ab-6x(3x-3y2)
45
48
(—x2y3+2x3y3)•—xy8x(3x+6x2-5)
37
2ab(4a2b2-4a2b)8x(9x2+4x2+9)
-2x(9x-4y)8ab(4a2b-4ab2)
1
-5a(—a2b2-6b)6ab(2ab-8a2b)
6
28
(—a2b2+2a2b2)•—ab-7x(9x2+7y2)
37
13
(—x3y3+8x2y2)•—xy22x(6x+4x2+3)
84
3ab(8a2b+8a2b2)9x(4x+8x+8)
-8x(3x-8y2)3ab(4ab2+8a2b2)
1
-6a(—ab-4b)8ab(2a2b2+8ab2)
3
19
(—a3b3-7a2b2)•—ab-3x(4x+5y)
48
31
(—x2y3-9x2y3)•—xy5x(3x+4x+5)
43
3ab(4ab-4ab2)4x(2x2-9x2-5)
-3x(2x2+5y)5ab(3a2b-4a2b)
5
-9a(—ab2-3b2)8ab(4a2b2-2ab)
6
11
(—a2b3+9a3b3)•—ab-2x(7x2+6y)
65
16
(—x3y2-2x2y3)•—xy4x(2x2+8x2+4)
47
9ab(4ab2-2a2b2)3x(4x+4x-5)
-5x(2x2+8y2)2ab(4a2b+8ab)
2
-4a(—ab2+9b2)5ab(2ab-3ab)
3
35
(—a3b3-5a2b2)•—ab-3x(6x+4y2)
46
14
(—x2y2+5x3y3)•—xy28x(6x2-5x-9)
63
5ab(8a2b-8ab)2x(6x2-5x2-1)
-4x(2x2-3y2)6ab(5ab-9a2b2)
1
-7a(—a2b-8b2)3ab(6a2b2+3a2b)
5
58
(—a3b3-7a2b3)•—ab-4x(9x+8y)
67
15
(—x2y2-4x3y3)•—xy2x(9x-2x2-4)
36
7ab(9a2b+5ab2)9x(4x-2x2-4)
-3x(4x-8y)7ab(5a2b+2ab2)
2
-2a(—ab2-2b2)3ab(2a2b+7ab)
3
26
(—a2b2+7a2b2)•—ab-8x(3x2-5y)
37
51
(—x3y3+6x3y3)•—xy23x(6x2+6x+3)
48
4ab(2a2b-5a2b)3x(5x2+6x+6)
-9x(3x+8y)9ab(5ab-2a2b)
5
-4a(—ab2+2b2)8ab(9ab-7a2b)
4
94
(—a2b2+9a2b3)•—ab-5x(4x2+3y)
83
68
(—x2y2+5x2y3)•—xy7x(4x+3x+5)
77
5ab(9a2b2-3ab2)2x(2x+5x2-6)
-3x(9x+4y2)2ab(8a2b2-8ab2)
1
-9a(—a2b+3b2)4ab(2a2b+4ab)
7
41
(—a3b2-6a3b3)•—ab-4x(8x2-6y2)
56
17
(—x2y2-4x3y2)•—xy28x(6x+9x+4)
36
5ab(4a2b-8ab2)2x(7x-4x+2)
-5x(3x2-2y)9ab(4a2b+3ab2)
1
-8a(—ab2-8b2)7ab(5ab-6a2b2)
5
11
(—a2b3-6a2b3)•—ab-2x(8x2-9y)
68
12
(—x2y3+2x3y2)•—xy6x(7x2-4x-2)
53
3ab(4a2b2+8a2b)8x(6x+5x+6)
-8x(7x2+8y)5ab(6ab-7ab)
1
-3a(—a2b+4b2)5ab(4a2b-8ab)
5
62
(—a2b2-9a2b2)•—ab-9x(4x+4y2)
73
71
(—x3y2-8x3y2)•—xy6x(5x-5x2+4)
86
7ab(4a2b2+6a2b)9x(5x+6x+7)
-6x(7x+9y)9ab(8a2b+5ab)
1
-8a(—a2b2+3b2)8ab(7a2b-3a2b)
7
32
(—a3b3-5a2b3)•—ab-8x(6x2+3y)
43
11
(—x2y3-8x2y3)•—xy2x(3x-6x2+9)
46
7ab(2a2b2-4a2b)4x(2x-9x2+2)
-8x(8x2-5y)2ab(7ab+7a2b)
1
-2a(—a2b-9b2)7ab(6a2b2+7a2b)
5
76
(—a3b2-5a3b2)•—ab-3x(9x-6y2)
67
81
(—x2y3-9x3y3)•—xy2x(3x2-8x2+5)
77
4ab(7ab2-7ab)7x(5x-6x2+8)
-9x(4x-3y2)8ab(2a2b2+3ab2)
8
-2a(—ab+7b2)6ab(5a2b-2a2b2)
7
74
(—a2b3-7a3b2)•—ab-6x(6x2-4y2)
65
16
(—x2y2-9x2y3)•—xy28x(9x-9x2+1)
87
5ab(6a2b-4a2b2)9x(6x2+7x-1)
-4x(3x+2y)5ab(4ab+4ab2)
2
-4a(—ab2+5b)7ab(7a2b2+8a2b)
3
43
(—a2b3+4a3b3)•—ab-3x(3x+9y2)
54
16
(—x2y3-2x2y3)•—xy9x(5x-4x2-8)
75
7ab(7a2b2+9ab2)3x(8x2-3x2+2)
-9x(9x+7y)6ab(9a2b2-6a2b2)
1
-9a(—ab2-5b)4ab(3ab+3a2b)
5
23
(—a2b3-9a2b2)•—ab-9x(9x+5y)
34
11
(—x3y3+5x2y2)•—xy2x(4x+3x+5)
74
5ab(2ab+8a2b)4x(9x2-4x+1)
-9x(4x2-2y2)8ab(7ab2+7a2b2)
1
-2a(—a2b2-8b2)4ab(4ab2-9a2b2)
4
74
(—a3b3+8a2b2)•—ab-5x(6x+5y2)
83
14
(—x3y3-8x3y3)•—xy9x(7x-3x+5)
45
6ab(8ab-9ab2)9x(9x2-7x2+8)
-5x(2x2-4y)4ab(3ab2-9ab2)
5
-3a(—ab-8b)2ab(3a2b2-9ab)
6
13
(—a3b2-8a3b2)•—ab-2x(3x-6y)
74
64
(—x3y3-3x3y2)•—xy4x(8x2+9x+8)
55
4ab(4ab2+6a2b)7x(5x2+5x2-4)
-7x(3x-5y)5ab(7ab2-8a2b)
5
-2a(—ab2-9b)7ab(7ab-2a2b2)
4
11
(—a2b3-2a3b2)•—ab-4x(7x-2y2)
76
66
(—x2y2-3x2y2)•—xy25x(9x+7x-6)
77