七年级数学下册计算题10.docx
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七年级数学下册计算题10.docx
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七年级数学下册计算题10
(2k2-6k)-(5k2+7k-1)
(a2-5a-2b)+(2a2-a+7b)
2x2+(2x2+6x-9)-(3x+6)
6y2+(4x2-y)+(2x2+2y2)
6
(3x2-9xy+—x)-(2x2-2xy-3x)
7
55
(—xy-y2+1)-(x2-—xy-4y2+8)
66
81
(xy-—y+—)-(xy-x-4)
77
(4y+5x+9z2)-(y-x+2z2)
(8k2+8k)-(4k2-6k-3)
(5a2+8a-3b)+(3a2+3a-9b)
x2+(8x2-7x+7)-(4x+4)
y2+(9x2-y)+(x2+5y2)
8
(6x2+2xy+—x)+(2x2+4xy-4x)
7
16
(—xy-3y2+9)-(x2+—xy-9y2+1)
65
41
(xy-—y-—)+(xy-x-6)
58
(7y-7x+z2)+(9y+x+5z2)
(2k2+8k)-(8k2+3k+6)
(7a2-3a+3b)+(a2-7a+7b)
9x2-(2x2+4x-9)+(8x-4)
y2-(5x2-y)-(6x2-y2)
9
(5x2-9xy+—x)+(8x2+3xy+x)
8
11
(—xy-5y2+1)-(x2+—xy-2y2+9)
37
41
(xy-—y+—)-(xy-x+8)
56
(8y+9x+6z2)-(4y+3x-8z2)
(3k2+3k)-(2k2+7k+9)
(4a2+a-3b)-(2a2-6a-5b)
5x2-(3x2-x-7)+(8x-8)
y2-(5x2+y)-(5x2+4y2)
9
(3x2+3xy+—x)-(3x2-3xy-4x)
8
11
(—xy+8y2+4)-(x2+—xy-8y2+5)
47
71
(xy+—y-—)-(xy-x+1)
64
(5y-2x-2z2)+(y-x-5z2)
(5k2-7k)-(5k2-7k+5)
(8a2+9a+b)-(6a2+a+5b)
x2+(3x2+9x+5)-(2x+9)
3y2+(6x2-y)+(4x2-3y2)
5
(3x2-9xy+—x)+(9x2+9xy-x)
6
11
(—xy+6y2-4)-(x2+—xy-9y2-3)
87
73
(xy-—y+—)+(xy-x-3)
84
(7y-x-3z2)-(5y+8x-2z2)
(9k2-3k)-(6k2-k+2)
(6a2-3a+5b)+(a2+5a+5b)
8x2+(2x2+7x+6)-(8x-4)
5y2-(3x2-y)-(2x2+8y2)
3
(9x2-8xy+—x)-(7x2-3xy-6x)
4
55
(—xy+6y2-2)+(x2+—xy+2y2-6)
66
65
(xy+—y-—)+(xy-x-6)
74
(y+9x-8z2)-(3y+3x+5z2)
(3k2+k)+(4k2-2k+1)
(5a2+3a+b)-(8a2+7a+3b)
2x2-(3x2-5x+4)-(x-4)
7y2+(5x2-y)-(5x2+5y2)
1
(2x2+9xy+—x)+(x2+7xy+6x)
7
11
(—xy+5y2-3)-(x2+—xy+5y2-7)
67
21
(xy+—y+—)-(xy-x+6)
38
(2y-8x+5z2)-(y-9x-z2)
(4k2-k)+(5k2+8k-9)
(2a2+4a-5b)+(2a2+9a-3b)
8x2-(x2-6x+9)-(2x+7)
2y2-(3x2-y)+(6x2-9y2)
1
(9x2+5xy-—x)-(6x2+9xy+4x)
5
17
(—xy+2y2+3)-(x2-—xy+9y2-1)
48
63
(xy+—y-—)+(xy+x+1)
74
(3y+8x+7z2)-(6y+3x-8z2)
(2k2-9k)+(4k2-8k+1)
(a2+4a+3b)+(8a2+3a+6b)
2x2+(7x2-7x+7)+(9x-2)
2y2-(2x2-y)-(5x2+7y2)
1
(9x2-8xy+—x)-(9x2-8xy-4x)
5
53
(—xy+4y2-1)+(x2+—xy+y2+3)
44
16
(xy+—y+—)-(xy-x+8)
77
(9y+x-2z2)-(2y-x-2z2)
(5k2+7k)+(k2-k-9)
(a2+5a-2b)+(a2-a+5b)
9x2-(2x2+8x+3)-(2x+8)
5y2-(4x2+y)+(2x2+2y2)
1
(6x2+9xy+—x)+(7x2+8xy+6x)
7
61
(—xy-4y2+1)-(x2-—xy-2y2-1)
77
85
(xy+—y-—)-(xy+x+1)
74
(9y+3x-9z2)+(6y+9x+z2)
(5k2+3k)-(8k2-3k-4)
(4a2+7a-5b)+(a2-6a+6b)
x2-(3x2-x-3)+(4x+1)
3y2+(7x2+y)+(3x2-5y2)
5
(3x2+9xy+—x)-(7x2-8xy+5x)
4
61
(—xy-3y2-7)-(x2-—xy-2y2+3)
74
12
(xy-—y+—)-(xy+x-9)
83
(3y-x-9z2)+(8y+4x-7z2)
(8k2+6k)-(5k2-5k-1)
(7a2+8a-5b)+(5a2+6a+7b)
8x2+(3x2+9x+4)-(7x+9)
3y2+(9x2-y)-(6x2+6y2)
6
(5x2+5xy+—x)-(5x2+4xy-4x)
5
16
(—xy-6y2+9)-(x2+—xy+6y2+1)
85
61
(xy-—y-—)-(xy-x-1)
75
(y+3x-z2)+(7y+x+4z2)
(9k2+8k)+(2k2-k+5)
(4a2-8a+9b)-(6a2+5a-8b)
2x2-(9x2+5x-8)+(3x+3)
5y2+(9x2-y)+(5x2+5y2)
3
(5x2-8xy+—x)-(5x2-4xy+7x)
4
57
(—xy+9y2+9)-(x2-—xy-2y2+7)
66
11
(xy+—y+—)+(xy+x+9)
86
(8y+8x-3z2)-(3y-8x-8z2)
(k2-k)+(4k2-3k+8)
(7a2-3a-3b)-(4a2-8a-3b)
7x2+(7x2+7x+8)-(9x-9)
4y2-(6x2-y)-(7x2-2y2)
1
(4x2-7xy+—x)-(7x2+xy+4x)
6
21
(—xy+5y2+9)+(x2-—xy-4y2+2)
35
35
(xy+—y-—)-(xy-x+8)
44
(6y-6x+4z2)+(9y-2x+5z2)
(7k2+5k)-(2k2+5k+1)
(3a2+2a+8b)+(3a2+6a-3b)
x2-(3x2+6x-7)-(6x+1)
6y2+(8x2-y)-(6x2-4y2)
4
(x2+8xy-—x)-(4x2-8xy-3x)
3
15
(—xy-7y2+2)+(x2+—xy+4y2+6)
44
11
(xy+—y+—)-(xy-x-7)
33
(5y+9x+8z2)-(5y+3x+3z2)
(k2+9k)-(2k2+7k+9)
(5a2-2a+6b)+(2a2+a-7b)
x2-(2x2-8x-9)-(x+2)
4y2-(3x2+y)+(5x2+3y2)
3
(3x2+xy+—x)-(6x2+7xy-3x)
4
14
(—xy+2y2-6)-(x2-—xy-y2-1)
73
16
(xy-—y+—)-(xy+x+6)
65
(6y+9x+z2)-(y+8x+3z2)
(6k2+k)+(4k2-2k+7)
(8a2-2a+3b)-(3a2+a+2b)
9x2-(4x2+9x+9)+(4x+2)
6y2+(6x2+y)-(5x2+5y2)
7
(3x2-6xy+—x)+(5x2+7xy-5x)
6
64
(—xy-8y2+7)+(x2-—xy+8y2-9)
55
23
(xy+—y-—)-(xy-x+6)
34
(6y+9x+5z2)-(y-9x+6z2)
(k2-9k)-(8k2-4k+7)
(3a2+2a-6b)-(3a2+a-7b)
5x2+(x2+6x-7)+(x+3)
4y2+(2x2-y)+(5x2-6y2)
7
(3x2+9xy-—x)-(5x2-9xy-2x)
8
71
(—xy-3y2+8)-(x2+—xy-5y2-1)
87
31
(xy-—y-—)-(xy+x-1)
43
(y+3x+8z2)-(8y-8x+2z2)
(3k2+6k)+(7k2+6k-8)
(2a2-5a+9b)-(8a2+3a+4b)
3x2-(5x2+3x+9)-(x+2)
6y2-(9x2-y)+(x2-4y2)
4
(2x2-7xy+—x)+(9x2-8xy+3x)
5
63
(—xy+5y2-2)+(x2+—xy-3y2-4)
74
77
(xy+—y+—)-(xy+x+7)
66
(3y+2x-z2)-(3y+5x+9z2)
(7k2-9k)+(4k2-4k+4)
(4a2-6a-6b)-(8a2-3a+b)
x2-(x2+8x+5)-(9x-2)
5y2+(4x2-y)-(6x2+5y2)
3
(2x2+6xy-—x)-(x2+xy-x)
4
14
(—xy+6y2+7)-(x2+—xy-y2+2)
75
55
(xy-—y-—)-(xy-x+7)
44
(y-4x+3z2)-(9y-6x+3z2)
(k2-7k)-(5k2-5k-9)
(3a2-2a-5b)+(9a2-3a-3b)
6x2-(7x2-9x-9)-(9x-9)
y2-(7x2+y)+(7x2+4y2)
1
(9x2+2xy-—x)+(8x2-2xy-7x)
3
91
(—xy+8y2-6)-(x2+—xy+6y2+6)
84
28
(xy-—y+—)-(xy-x+6)
37
(6y+8x-8z2)+(3y-8x-4z2)
(k2-2k)+(7k2-4k+8)
(6a2-5a-2b)-(7a2+2a+2b)
6x2+(x2+3x+2)+(2x+1)
y2-(9x2-y)-(9x2-2y2)
4
(8x2-5xy-—x)-(x2-6xy+7x)
5
77
(—xy-8y2+1)+(x2+—xy-4y2+5)
86
44
(xy+—y-—)-(xy-x+7)
55
(y+3x+z2)-(3y-4x-9z2)
(3k2+7k)+(k2+2k+5)
(4a2+9a+6b)+(2a2+6a+4b)
8x2+(8x2-7x-6)-(9x-8)
8y2+(3x2-y)+(x2-9y2)
8
(3x2-3xy+—x)+(x2+6xy+9x)
7
11
(—xy-3y2+8)-(x2-—xy-5y2+9)
46
29
(xy+—y+—)+(xy+x+5)
38
(3y-8x+3z2)-(8y-4x+9z2)
(6k2-2k)+(5k2+9k-4)
(3a2+8a-3b)-(a2-2a-8b)
4x2+(8x2+6x+9)-(3x+3)
3y2-(x2-y)+(2x2-5y2)
4
(3x2-4xy+—x)+(2x2+8xy+4x)
3
15
(—xy+9y2+2)-(x2-—xy+y2-7)
46
11
(xy+—y-—)+(xy+x-3)
75
(5y-7x+8z2)-(4y+6x+6z2)
(5k2-6k)-(9k2-9k-5)
(6a2+6a+4b)-(2a2+7a-b)
7x2+(2x2-7x+2)+(8x-3)
8y2-(4x2+y)+(3x2-y2)
6
(5x2+2xy+—x)+(2x2+3xy-8x)
5
81
(—xy-4y2+6)+(x2-—xy+3y2+4)
74
14
(xy-—y+—)-(xy-x-1)
65
(2y+4x-z2)-(4y+6x+2z2)
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