七年级数学下册计算题7Word格式.docx
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七年级数学下册计算题7Word格式.docx
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(6y-8x+7z2)+(3y-6x-3z2)
(2k2-2k)-(k2+7k-5)
(7a2-8a-b)-(6a2-2a-2b)
4x2+(4x2-3x+8)+(8x-2)
4y2+(8x2+y)+(9x2-3y2)
(4x2-5xy-—x)+(9x2+3xy-2x)
71
(—xy+y2+7)+(x2-—xy+7y2-3)
65
(xy+—y-—)-(xy-x+1)
57
(y+8x-3z2)+(3y+6x+4z2)
(7k2-k)+(4k2+2k-2)
(8a2+4a-b)-(6a2-6a-5b)
4x2+(x2+3x+7)+(5x+6)
5y2-(3x2-y)-(7x2+3y2)
(3x2-3xy+—x)-(5x2+9xy+8x)
7
51
(—xy+4y2+1)-(x2-—xy+9y2-9)
43
13
(xy+—y-—)-(xy+x-7)
64
(4y-4x-6z2)+(9y+8x+7z2)
(6k2+5k)+(2k2-7k+7)
(4a2-7a-9b)-(9a2-7a+8b)
3x2+(3x2-3x+4)-(x-4)
7y2-(9x2-y)+(5x2-4y2)
(8x2+3xy-—x)-(5x2+7xy-4x)
(—xy-9y2+4)+(x2-—xy-4y2-4)
64
71
(xy-—y-—)+(xy-x+7)
88
(2y-3x+8z2)-(y-9x-7z2)
(9k2+3k)+(k2-3k-4)
(5a2-5a-5b)-(8a2+8a+4b)
7x2-(x2+5x-3)-(7x-8)
7y2-(2x2+y)+(6x2+2y2)
3
(7x2-6xy-—x)+(x2+9xy-x)
4
69
(—xy+6y2+6)+(x2+—xy+4y2-9)
78
41
(xy+—y-—)+(xy-x-9)
36
(8y+7x-7z2)-(3y+x+8z2)
(8k2+5k)+(4k2-4k+5)
(a2+9a+7b)-(3a2+2a-6b)
5x2+(5x2+x+4)-(2x-7)
3y2+(2x2-y)+(3x2-4y2)
9
(2x2-6xy+—x)-(3x2-3xy+6x)
8
(—xy-6y2+4)+(x2+—xy+7y2-9)
83
51
(xy-—y+—)+(xy+x-6)
66
(y+8x-9z2)+(3y+9x+2z2)
(k2+2k)+(7k2-2k+1)
(a2+4a+6b)+(6a2-2a+5b)
3x2+(x2+7x-7)+(8x-6)
2y2-(5x2+y)+(7x2-9y2)
(7x2-2xy+—x)+(7x2-3xy+5x)
87
(—xy-7y2+6)-(x2+—xy+3y2-8)
(xy-—y-—)-(xy-x-7)
75
(9y+2x-2z2)+(9y+2x-2z2)
(k2+3k)-(8k2+5k+7)
(a2-3a+b)+(9a2-6a-6b)
6x2+(3x2-4x+1)+(4x+1)
7y2+(4x2+y)+(6x2+6y2)
(x2+8xy+—x)-(7x2+5xy+4x)
18
(—xy+4y2-5)-(x2-—xy-y2-2)
94
85
(2y+9x+3z2)+(2y+6x-7z2)
(9k2+8k)-(7k2-2k+1)
(a2-2a-8b)-(9a2+8a-3b)
4x2+(7x2-5x+3)-(4x-4)
4y2-(8x2-y)-(9x2-5y2)
(2x2+6xy+—x)-(8x2+2xy-2x)
45
(—xy-2y2+5)-(x2+—xy+9y2-3)
34
(xy-—y+—)-(xy-x-6)
(9y+x+9z2)-(3y-7x+8z2)
(4k2+7k)+(2k2-6k-5)
(a2-a+4b)-(3a2-4a+6b)
6x2-(7x2+8x+7)-(3x-8)
y2+(3x2+y)+(4x2-9y2)
(5x2-5xy-—x)+(8x2-3xy-7x)
61
(—xy-7y2-9)+(x2+—xy+7y2+5)
54
53
(xy+—y-—)-(xy+x+8)
44
(2y-9x-5z2)-(9y+4x-4z2)
(9k2+3k)+(5k2+3k+7)
(3a2+4a+7b)-(5a2+2a+9b)
2x2+(4x2-5x+3)-(6x+8)
5y2-(5x2-y)+(4x2-8y2)
(8x2+4xy-—x)-(7x2-9xy-5x)
11
(—xy+4y2+3)-(x2+—xy+7y2+8)
67
76
(xy+—y+—)+(xy-x+3)
65
(9y-9x+3z2)+(3y+6x+8z2)
(9k2+6k)+(7k2-9k-9)
(3a2+3a+b)-(3a2-8a+3b)
7x2-(3x2-2x-8)+(8x-5)
y2-(2x2-y)+(2x2+5y2)
(9x2+4xy+—x)-(x2-8xy+8x)
41
(—xy+9y2-6)-(x2+—xy-6y2-9)
35
18
(xy-—y-—)+(xy+x-9)
37
(2y-9x-5z2)+(5y-2x-7z2)
(2k2+3k)-(3k2+4k-8)
(2a2-a-6b)-(5a2-a+8b)
3x2-(8x2+6x-7)+(x-9)
2y2-(4x2+y)-(7x2+4y2)
(4x2-2xy+—x)-(x2+xy+9x)
75
(—xy+5y2+3)+(x2-—xy+5y2+3)
82
(xy+—y+—)-(xy-x+5)
73
(4y-6x-2z2)-(7y-3x+7z2)
(8k2+2k)+(4k2-7k+4)
(4a2-2a-7b)+(6a2+8a-2b)
5x2+(2x2-9x-4)+(2x-9)
6y2+(5x2+y)-(5x2+4y2)
(2x2+5xy-—x)+(6x2-2xy+9x)
13
(—xy+7y2+5)+(x2+—xy-7y2-8)
44
34
(xy-—y+—)-(xy+x+4)
43
(9y+7x-8z2)+(3y+2x-7z2)
(8k2-5k)-(3k2-3k+4)
(3a2-3a+b)-(3a2+7a-b)
2x2+(7x2+9x-5)-(6x-1)
5y2+(3x2+y)-(3x2-3y2)
(3x2-4xy-—x)-(4x2-4xy-2x)
(—xy-9y2-7)+(x2-—xy-9y2-3)
15
(xy+—y+—)-(xy-x-5)
84
(7y-x+8z2)+(4y+2x-z2)
(8k2+5k)-(6k2-9k+3)
(9a2+6a-8b)+(a2-7a+4b)
x2-(2x2+3x-4)+(9x-5)
4y2-(4x2+y)+(3x2-y2)
(3x2-6xy+—x)-(x2+6xy+4x)
(—xy+2y2+4)-(x2-—xy+9y2+6)
77
(xy-—y+—)-(xy+x+8)
68
(7y-4x+6z2)+(7y+3x+z2)
(4k2+5k)-(8k2-k-7)
(5a2+6a-7b)-(5a2-6a-b)
3x2+(2x2-6x+1)-(9x+1)
5y2+(4x2+y)+(4x2+6y2)
(x2-5xy-—x)-(7x2-7xy-3x)
99
(—xy+6y2+9)+(x2-—xy-7y2+8)
88
54
(xy-—y-—)+(xy-x-4)
63
(3y-8x+6z2)+(8y-4x+5z2)
(k2+3k)-(9k2-3k+1)
(a2-9a-8b)-(3a2+2a-6b)
6x2+(9x2+9x+6)+(6x+6)
9y2+(9x2-y)+(x2+y2)
(8x2-8xy+—x)+(5x2-9xy-6x)
(—xy+2y2-4)-(x2+—xy-6y2+4)
57
(xy-—y+—)-(xy-x-8)
(4y-4x+2z2)-(5y-5x-z2)
(4k2+6k)-(8k2+7k+3)
(6a2+9a+5b)+(7a2+7a-6b)
9x2+(6x2-5x-6)-(3x+1)
3y2-(3x2-y)-(9x2-9y2)
(6x2+4xy-—x)+(8x2+xy+5x)
(—xy-6y2-7)+(x2+—xy+2y2+6)
53
17
(xy-—y+—)-(xy-x-4)
(3y-3x-6z2)-(7y-8x-6z2)
(9k2+6k)+(4k2+7k-8)
(4a2+2a-2b)-(9a2-6a-6b)
8x2-(5x2+9x+6)+(5x-4)
7y2-(4x2-y)+(7x2-7y2)
(x2+xy+—x)+(6x2-8xy-8x)
(—xy-y2-1)+(x2-—xy+9y2+9)
11
(xy-—y-—)+(xy+x-3)
38
(y+x-8z2)+(8y+x+6z2)
(6k2-4k)+(7k2+6k-8)
(4a2-4a-8b)-(5a2-5a+2b)
4x2-(6x2-4x+5)-(2x-1)
9y2-(6x2+y)-(5x2+8y2)
(3x2+9xy+—x)-(5x2-2xy+9x)
(—xy+5y2-2)+(x2+—xy-7y2-9)
77
86
(xy-—y+—)-(xy-x-2)
(4y+9x+7z2)-(y-2x+3z2)
(7k2-9k)+(7k2+k-3)
(5a2+9a+b)+(3a2-3a-b)
2x2-(4x2-4x-1)+(8x+9)
5y2+(5x2-y)+(4x2+y2)
2
(5x2-2xy+—x)-(8x2+5xy+3x)
46
(—xy-5y2+6)+(x2-—xy-8y2+7)
55
14
(xy+—y+—)+(xy+x+1)
(2y+2x+z2)-(8y+8x-7z2)
(4k2-2k)+(k2-9k-9)
(2a2-7a+2b)-(5a2+4a+2b)
5x2+(2x2+x-3)+(5x-4)
8y2+(2x2+y)-(x2-6y2)
(5x2+4xy-—x)-(4x2-9xy+5x)
(—xy-6y2-6)+(x2-—xy-7y2+2)
38
(xy-—y-—)-(xy-x-4)
(y+9x-7z2)+(5y+7x-9z2)
(6k2+9k)+(8k2-5k-3)
(9a2-7a-5b)-(8a2+7a+b)
8x2+(6x2+8x+8)-(2x-4)
3y2+(9x2+y)+(7x2+4y2)
(6x2+xy-—x)+(4x2+2xy-9x)
(—xy+9y2-9)-(x2-—xy+9y2-5)
21
(xy-—y-—)-(xy-x-8)
(y+4x+5z2)+(4y+8x-2z2)
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