七年级数学下册计算题大全193.docx
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七年级数学下册计算题大全193
(2k2-9k)-(6k2+2k-9)
(6a2+3a+4b)-(6a2-4a-8b)
8x2-(7x2+4x-6)+(3x-3)
9y2+(x2-y)+(5x2+5y2)
1
(4x2-7xy+—x)+(4x2-9xy-8x)
5
15
(—xy-7y2+8)-(x2+—xy+y2+4)
44
64
(xy+—y-—)-(xy+x-4)
75
(2y-x+9z2)-(7y-3x-z2)
(3k2-k)-(2k2-7k+7)
(9a2-3a+6b)+(4a2-3a-4b)
9x2+(2x2+3x+7)+(5x+3)
y2+(8x2-y)-(5x2-8y2)
1
(9x2-5xy+—x)+(6x2+6xy-4x)
6
15
(—xy+2y2-3)-(x2-—xy-6y2-3)
54
41
(xy-—y-—)+(xy+x-4)
36
(5y+8x+9z2)+(5y-6x+6z2)
(2k2-2k)-(3k2-2k-5)
(6a2-6a-6b)+(8a2-4a+7b)
7x2-(9x2+5x+3)+(8x+3)
7y2-(x2+y)-(2x2+8y2)
1
(4x2-7xy+—x)-(5x2-6xy+5x)
5
17
(—xy+6y2-3)-(x2+—xy-5y2+7)
58
91
(xy-—y-—)-(xy+x+3)
84
(6y+6x+7z2)-(8y+2x-6z2)
(3k2+5k)-(9k2-6k+3)
(a2+5a+6b)-(3a2-9a+7b)
9x2+(7x2+8x+6)-(3x-2)
7y2+(9x2+y)+(8x2-4y2)
1
(4x2-4xy-—x)-(9x2-5xy+3x)
3
11
(—xy+7y2-2)+(x2-—xy-4y2-3)
38
35
(xy+—y+—)-(xy-x+8)
46
(3y-8x+8z2)-(7y+9x-5z2)
(6k2-3k)-(2k2-9k+2)
(a2-5a-9b)+(3a2+6a+9b)
5x2+(4x2-3x-6)-(9x+3)
5y2+(9x2-y)+(8x2+3y2)
9
(7x2+2xy+—x)+(2x2-5xy+9x)
8
17
(—xy-3y2+5)-(x2-—xy+6y2+9)
76
75
(xy+—y-—)+(xy+x-8)
66
(y-x-z2)+(9y+9x+4z2)
(7k2-2k)-(7k2+4k-4)
(8a2+6a-7b)+(8a2-4a+5b)
6x2-(x2+4x+3)+(9x+7)
5y2+(6x2-y)+(2x2-3y2)
8
(4x2+2xy+—x)+(8x2+7xy+5x)
7
14
(—xy-4y2+9)-(x2+—xy-5y2+2)
63
56
(xy+—y+—)-(xy-x+8)
67
(9y-x+6z2)+(8y-9x-z2)
(k2+6k)+(5k2-k+1)
(2a2-9a-b)+(7a2+5a+8b)
7x2+(x2-4x+8)-(8x-9)
9y2+(7x2-y)-(3x2+6y2)
1
(x2-xy-—x)-(2x2-3xy-9x)
6
11
(—xy-7y2-8)-(x2-—xy+y2-3)
38
19
(xy-—y-—)-(xy+x+2)
68
(2y-8x-7z2)-(4y+9x+z2)
(9k2+7k)-(5k2+8k-7)
(9a2-5a+8b)-(4a2+7a-4b)
9x2-(9x2+3x-2)+(4x-9)
y2+(4x2+y)-(7x2+y2)
7
(x2-2xy-—x)+(3x2+8xy-9x)
8
11
(—xy-8y2+8)-(x2-—xy-6y2+5)
65
86
(xy-—y-—)+(xy+x+2)
75
(2y+5x-6z2)+(6y+2x-8z2)
(6k2-7k)+(5k2-3k+5)
(8a2-4a-4b)-(9a2-9a+9b)
4x2-(5x2-x+7)+(3x-4)
4y2-(5x2-y)+(6x2-5y2)
4
(8x2+9xy-—x)-(7x2-4xy+6x)
5
75
(—xy+5y2+8)+(x2+—xy-8y2-6)
84
11
(xy-—y-—)+(xy-x+7)
53
(4y-8x-4z2)+(9y-3x-3z2)
(5k2-3k)-(6k2+9k+7)
(8a2+3a+2b)+(4a2+2a+2b)
4x2-(5x2-6x+1)-(x-1)
2y2-(3x2-y)-(7x2+5y2)
1
(5x2+9xy+—x)-(8x2+8xy+8x)
8
71
(—xy+9y2-8)+(x2+—xy+3y2-9)
66
13
(xy+—y-—)+(xy+x-9)
84
(2y+3x+2z2)+(3y-8x-8z2)
(2k2-7k)+(4k2-6k+6)
(6a2-4a+6b)+(5a2-8a+6b)
5x2+(5x2-9x-8)-(7x-4)
2y2-(3x2+y)+(3x2-3y2)
6
(4x2+xy-—x)-(7x2-3xy-7x)
7
11
(—xy+5y2-4)+(x2-—xy-4y2+9)
43
81
(xy-—y+—)-(xy+x+4)
77
(y+4x+6z2)-(y+5x-4z2)
(k2+k)-(7k2+8k+8)
(8a2-2a-8b)+(7a2+6a-8b)
5x2+(x2+2x+6)+(7x+5)
4y2+(3x2+y)-(2x2+5y2)
4
(9x2+3xy-—x)+(9x2-5xy-9x)
3
81
(—xy-4y2+4)+(x2-—xy-7y2-6)
77
19
(xy+—y-—)-(xy+x-8)
88
(y+3x-9z2)-(2y-9x+2z2)
(7k2+k)+(4k2-2k+5)
(6a2-6a-7b)-(8a2-7a-4b)
6x2-(6x2+2x-4)-(9x-9)
7y2+(3x2-y)-(2x2-4y2)