七年级数学下册计算题16.docx
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七年级数学下册计算题16.docx
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七年级数学下册计算题16
(7k2+3k)-(8k2-2k-1)
(4a2-8a+9b)+(8a2-6a+b)
3x2+(3x2+2x-2)-(x+1)
7y2-(2x2-y)+(9x2-7y2)
6
(8x2+5xy-—x)+(3x2+9xy+2x)
7
65
(—xy+3y2-3)-(x2+—xy-7y2-9)
54
11
(xy+—y-—)-(xy+x+1)
58
(2y+4x-z2)-(2y+4x+4z2)
(k2+k)-(4k2+8k+5)
(4a2-9a-6b)+(7a2-7a-7b)
7x2+(4x2+4x+4)-(7x+5)
7y2-(7x2-y)-(5x2+2y2)
6
(7x2-9xy+—x)+(8x2-4xy+2x)
7
93
(—xy+3y2-9)-(x2-—xy+4y2+6)
84
93
(xy-—y+—)-(xy+x+3)
84
(6y-x-9z2)-(8y-8x-5z2)
(8k2+3k)+(8k2-3k+4)
(3a2-3a-8b)-(a2+5a-3b)
4x2-(4x2-3x+7)-(x-3)
3y2-(9x2-y)+(7x2+5y2)
4
(4x2-8xy+—x)-(5x2-2xy-9x)
3
51
(—xy+5y2+8)-(x2+—xy+3y2+3)
47
16
(xy+—y-—)+(xy+x+5)
75
(5y-5x-2z2)-(3y+4x+5z2)
(5k2-k)+(3k2+5k+2)
(7a2-4a+6b)-(2a2-8a-7b)
3x2+(2x2+6x+9)-(7x-8)
9y2-(8x2-y)-(6x2-6y2)
5
(7x2-2xy+—x)-(2x2-3xy+5x)
4
31
(—xy+7y2-7)+(x2+—xy-7y2-1)
43
66
(xy+—y+—)+(xy-x+8)
57
(4y-2x-8z2)+(6y-2x-8z2)
(8k2-6k)+(8k2-6k+8)
(9a2-4a-7b)+(2a2+7a-6b)
5x2+(8x2+x+8)-(2x+2)
9y2-(2x2-y)-(2x2-4y2)
6
(9x2-xy-—x)+(9x2+3xy+2x)
5
98
(—xy-8y2-7)-(x2-—xy+2y2+7)
87
31
(xy+—y+—)+(xy+x+6)
45
(y+3x+5z2)+(4y+6x-3z2)
(3k2-k)+(3k2+6k+5)
(5a2+a+8b)+(2a2+4a-7b)
3x2-(2x2-x+2)-(8x-6)
7y2+(5x2+y)-(7x2-3y2)
4
(2x2+8xy+—x)-(2x2-4xy+7x)
3
53
(—xy-y2+3)+(x2-—xy+3y2+1)
64
31
(xy-—y+—)-(xy+x-4)
44
(2y-x-5z2)+(3y+6x+z2)
(2k2-k)-(9k2+2k+5)
(6a2-4a-b)+(a2+2a+b)
2x2-(2x2-3x+6)-(4x-7)
5y2+(4x2+y)-(4x2+3y2)
9
(5x2-7xy-—x)+(3x2-5xy-x)
8
91
(—xy-y2+2)-(x2+—xy-8y2-9)
88
81
(xy+—y-—)-(xy+x+7)
74
(5y+3x+5z2)+(4y-9x+4z2)
(8k2-6k)+(2k2-9k+8)
(6a2-8a-6b)-(6a2-3a+3b)
7x2-(x2-8x-8)+(5x+6)
5y2-(2x2+y)+(x2-4y2)
1
(2x2+5xy-—x)+(9x2+7xy-x)
7
11
(—xy-8y2+9)+(x2+—xy-2y2+8)
73
11
(xy+—y+—)+(xy-x-8)
77
(3y+6x+2z2)+(y-9x-7z2)
(7k2+6k)+(6k2+9k-8)
(5a2+6a-6b)+(6a2+2a-7b)
8x2-(8x2-9x+9)-(3x+5)
5y2-(5x2-y)-(6x2-8y2)
4
(4x2+9xy-—x)+(9x2-4xy+9x)
3
42
(—xy-6y2+3)+(x2+—xy-3y2-6)
53
12
(xy+—y+—)+(xy+x+3)
43
(7y+7x+8z2)+(4y+x-6z2)
(4k2-2k)+(2k2+4k-6)
(2a2+5a+4b)+(6a2-2a-2b)
3x2-(5x2-7x+8)-(8x+1)
8y2+(6x2+y)+(8x2+8y2)
5
(2x2+8xy+—x)+(7x2+5xy+9x)
6
11
(—xy-y2-8)-(x2+—xy+3y2-2)
37
11
(xy+—y-—)+(xy+x+1)
45
(8y-3x-8z2)+(y+5x+z2)
(9k2+k)-(8k2-8k+1)
(9a2+3a-2b)-(4a2+6a-8b)
6x2+(x2-3x+5)-(2x+3)
8y2+(x2+y)+(9x2-2y2)
6
(3x2+8xy+—x)-(9x2-2xy+4x)
5
51
(—xy-7y2-5)-(x2+—xy+5y2+5)
65
77
(xy+—y-—)+(xy-x+7)
86
(8y-6x+2z2)+(5y-2x-z2)
(8k2+7k)-(k2-9k-5)
(2a2+8a+5b)+(8a2+6a+b)
9x2-(3x2+5x+6)+(5x+3)
7y2-(6x2+y)-(9x2+y2)
1
(4x2+2xy+—x)+(8x2+5xy-9x)
7
95
(—xy+4y2+5)+(x2-—xy-4y2+5)
86
65
(xy+—y-—)+(xy-x+7)
54
(2y+5x+2z2)-(2y-7x+9z2)
(7k2-8k)-(7k2-2k+1)
(6a2+5a+6b)+(6a2-a-7b)
9x2+(x2-8x-8)+(9x-7)
5y2-(2x2+y)-(3x2-8y2)
6
(7x2-4xy+—x)-(3x2-2xy+x)
7
41
(—xy-2y2-2)-(x2+—xy+y2-6)
33
14
(xy+—y+—)-(xy+x+5)
63
(3y+7x-4z2)-(6y+x+3z2)
(3k2-k)+(4k2-8k-1)
(5a2+9a+b)-(9a2+8a-3b)
4x2+(3x2-8x+1)+(4x+4)
8y2+(3x2+y)-(5x2+5y2)
4
(2x2+7xy+—x)+(5x2+8xy-6x)
3
74
(—xy-7y2-8)+(x2+—xy-2y2+3)
63
73
(xy-—y-—)-(xy-x-4)
64
(y-5x+8z2)+(5y-3x-2z2)
(7k2+7k)+(9k2-4k-8)
(6a2+8a+7b)-(4a2-a-5b)
3x2+(3x2-x+8)+(3x-7)
8y2+(6x2-y)-(4x2+8y2)
7
(3x2-8xy+—x)-(9x2+9xy+8x)
8
41
(—xy-4y2-8)+(x2-—xy+3y2-6)
53
11
(xy+—y+—)-(xy-x-7)
34
(5y-8x+6z2)-(8y+4x-7z2)
(2k2+6k)-(6k2+2k-8)
(3a2-4a-7b)+(2a2-8a+8b)
x2+(3x2-6x-3)+(4x+2)
4y2-(8x2+y)+(3x2+4y2)
1
(7x2-6xy-—x)+(5x2-3xy-5x)
6
88
(—xy-7y2+3)-(x2+—xy-7y2-6)
77
14
(xy-—y-—)+(xy-x-6)
63
(3y+5x+5z2)+(6y+7x-4z2)
(k2-6k)+(k2+5k-3)
(7a2-8a-9b)-(a2-a-9b)
8x2-(x2+8x-8)+(8x+1)
9y2-(x2+y)+(9x2-3y2)
4
(7x2+6xy-—x)+(7x2+7xy+6x)
3
78
(—xy+5y2-5)-(x2-—xy+5y2-4)
67
54
(xy+—y-—)+(xy+x-5)
63
(8y+8x-z2)+(y-x-3z2)
(6k2+9k)+(8k2+7k+9)
(5a2+9a-2b)+(6a2+3a-3b)
7x2+(6x2+5x+4)+(6x-3)
y2+(x2+y)-(3x2+8y2)
5
(3x2-7xy-—x)-(6x2+9xy+5x)
4
21
(—xy-7y2-2)+(x2+—xy+5y2-9)
35
76
(xy+—y+—)-(xy-x-9)
67
(8y+9x-2z2)-(2y+4x-2z2)
(k2-7k)-(k2+5k-3)
(3a2+4a-9b)+(6a2+4a-b)
8x2-(9x2+9x+9)-(6x-9)
2y2+(3x2-y)+(4x2+8y2)
1
(4x2-3xy+—x)+(5x2+8xy-x)
7
75
(—xy-5y2-1)+(x2+—xy-6y2+8)
86
17
(xy+—y+—)-(xy-x+6)
48
(8y-6x-7z2)+(4y-6x-8z2)
(2k2-2k)-(6k2+k-1)
(9a2-8a+3b)+(4a2-8a+9b)
9x2+(2x2+8x+5)+(8x+7)
8y2-(9x2+y)-(x2+7y2)
1
(4x2-3xy+—x)-(3x2+8xy-2x)
5
53
(—xy+y2+5)-(x2+—xy+5y2+8)
64
95
(xy+—y-—)-(xy-x-4)
84
(y+6x-3z2)-(5y-6x+8z2)
(9k2-8k)-(7k2-k-4)
(4a2+2a-5b)-(2a2+2a+b)
3x2+(7x2+5x-8)+(3x-5)
3y2-(2x2+y)+(7x2+4y2)
1
(7x2-5xy+—x)+(5x2+3xy+8x)
5
37
(—xy-2y2-4)+(x2+—xy-4y2-8)
48
17
(xy-—y-—)+(xy+x+2)
38
(7y+9x-z2)-(8y-7x-5z2)
(6k2-5k)+(3k2-k-4)
(7a2+6a-4b)-(4a2-9a+8b)
x2-(6x2-6x-9)+(x-4)
5y2-(7x2+y)+(6x2+7y2)
1
(7x2-7xy+—x)+(3x2-4xy+4x)
8
17
(—xy-2y2-3)+(x2-—xy+4y2-2)
78
71
(xy+—y-—)+(xy-x+7)
67
(5y+2x-2z2)-(3y-x+9z2)
(k2+4k)-(8k2+2k+2)
(4a2-7a+9b)-(7a2+7a+8b)
9x2-(9x2+x+6)-(4x+7)
9y2-(9x2-y)+(3x2-4y2)
8
(9x2+4xy-—x)+(7x2-5xy-4x)
7
74
(—xy-6y2-5)+(x2+—xy+6y2+2)
83
22
(xy+—y-—)+(xy+x-7)
33
(6y+8x+z2)-(2y+3x-3z2)
(9k2+3k)-(4k2-k-9)
(7a2+2a+9b)-(5a2-4a-2b)
7x2-(9x2+9x-1)+(5x+8)
4y2-(2x2+y)-(7x2+y2)
9
(x2-3xy+—x)+(7x2+5xy+5x)
8
95
(—xy-8y2-5)-(x2-—xy+7y2-8)
84
27
(xy-—y+—)-(xy+x-3)
38
(2y-9x+8z2)-(2y+8x-2z2)
(2k2+3k)+(4k2+4k+9)
(3a2+4a-2b)+(4a2+8a+2b)
6x2-(3x2-5x+7)+(7x-6)
3y2-(3x2-y)-(8x2-7y2)
2
(7x2-7xy+—x)-(2x2-2xy+8x)
3
14
(—xy-4y2-6)+(x2-—xy+3y2-9)
43
83
(xy-—y+—)-(xy-x+1)
74
(9y+4x-9z2)+(7y+8x-9z2)
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