七年级数学下册计算题大全163.docx
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七年级数学下册计算题大全163
(k2-2k)-(3k2+2k-4)
(3a2-2a+8b)-(a2-9a+3b)
7x2-(x2-2x+7)-(5x-5)
3y2+(9x2-y)+(9x2-4y2)
1
(8x2+8xy+—x)+(3x2-2xy+6x)
5
63
(—xy+5y2-3)-(x2-—xy+5y2-9)
74
19
(xy+—y-—)-(xy+x+3)
58
(4y+8x-7z2)+(4y+6x-6z2)
(8k2+9k)+(3k2+5k-7)
(a2+8a+8b)-(3a2-9a-3b)
5x2+(8x2-2x-2)-(x+7)
2y2+(3x2+y)+(8x2-7y2)
7
(5x2+8xy-—x)+(4x2+3xy-x)
6
15
(—xy-5y2+3)+(x2-—xy-3y2-9)
74
46
(xy-—y-—)-(xy-x-9)
35
(2y-6x-4z2)+(4y-x+3z2)
(6k2-5k)+(3k2-5k-4)
(6a2-4a+5b)+(6a2+4a+7b)
4x2-(6x2-4x+9)-(x+4)
2y2-(5x2-y)-(4x2+5y2)
1
(8x2-5xy+—x)-(2x2+xy+3x)
6
62
(—xy-3y2-8)-(x2-—xy-9y2-5)
53
11
(xy-—y-—)-(xy-x+5)
36
(8y+x-5z2)-(2y+x-z2)
(3k2-5k)+(9k2-9k+2)
(7a2-9a-8b)-(5a2+9a-5b)
5x2-(8x2+8x-2)-(3x-9)
8y2-(5x2-y)-(8x2+3y2)
8
(8x2-7xy+—x)-(4x2+2xy-3x)
7
14
(—xy+y2+5)-(x2+—xy+5y2-7)
75
57
(xy+—y+—)-(xy-x-2)
46
(6y-2x+7z2)-(y-6x-8z2)
(8k2+k)-(k2-6k-7)
(6a2-8a-7b)-(7a2+6a-5b)
2x2+(4x2-6x-5)-(3x+2)
2y2-(4x2-y)-(6x2-4y2)
6
(9x2+3xy+—x)-(2x2+8xy-2x)
7
18
(—xy+y2-1)-(x2-—xy+6y2+9)
37
17
(xy+—y+—)+(xy+x+6)
36
(7y-7x-3z2)+(7y+3x-z2)
(8k2+k)-(4k2+9k-5)
(7a2+7a-3b)-(a2-5a+7b)
7x2+(5x2+4x+4)-(6x+1)
2y2-(9x2-y)+(x2+3y2)
1
(x2-4xy+—x)+(2x2-3xy-x)
3
66
(—xy+7y2-2)-(x2-—xy+3y2-6)
75
11
(xy+—y+—)-(xy+x-5)
67
(9y+7x+8z2)-(7y-9x+2z2)
(8k2+4k)+(4k2+9k-7)
(8a2-5a+3b)+(8a2+7a-5b)
8x2+(5x2+8x-3)-(x+4)
4y2+(8x2-y)+(3x2-6y2)
5
(2x2-3xy+—x)-(6x2-7xy+5x)
6
45
(—xy+6y2+7)-(x2+—xy-y2-8)
34
11
(xy+—y-—)-(xy+x-4)
75
(7y-8x-6z2)-(6y-6x-6z2)
(3k2-7k)-(8k2+9k-2)
(a2-2a+5b)+(5a2-9a+b)
x2+(9x2-5x-1)+(9x+6)
2y2-(2x2-y)+(2x2+5y2)
7
(9x2-xy-—x)-(5x2+8xy-9x)
8
12
(—xy-3y2+4)-(x2+—xy+3y2+9)
33
11
(xy-—y-—)+(xy+x+6)
85
(y-x+8z2)-(2y+8x+7z2)
(4k2+9k)-(9k2+3k-8)
(3a2-9a-8b)+(3a2+9a+b)
4x2+(6x2-8x-8)-(4x+5)
7y2-(x2-y)+(5x2-7y2)
1
(x2-4xy-—x)-(7x2-9xy-2x)
3
11
(—xy+4y2+3)-(x2+—xy-2y2+3)
86
14
(xy-—y+—)+(xy-x-4)
65
(5y+9x+7z2)+(6y-x+2z2)
(6k2-5k)+(7k2-k+9)
(7a2+2a+5b)-(7a2-3a-2b)
4x2+(2x2+3x-9)+(6x-1)
3y2-(9x2-y)-(7x2+2y2)
9
(6x2+7xy+—x)+(2x2-3xy-3x)
8
11
(—xy-6y2-7)-(x2-—xy+y2+7)
65
17
(xy-—y-—)+(xy+x-9)
88
(8y-5x-4z2)-(8y-9x+6z2)
(k2+3k)+(k2-4k+8)
(7a2+a-8b)+(8a2+a+7b)
4x2-(3x2+5x+8)+(4x+3)
4y2+(7x2+y)-(9x2-2y2)
1
(5x2+6xy+—x)+(8x2+4xy+x)
4
13
(—xy-2y2+1)+(x2+—xy-3y2-6)
44
14
(xy+—y-—)+(xy-x+9)
33
(8y-6x+9z2)+(5y-2x+8z2)
(3k2-6k)-(8k2-3k+5)
(5a2-a-4b)-(4a2+9a-4b)
4x2-(2x2+2x-1)-(8x+1)
3y2+(x2-y)+(3x2+2y2)
5
(9x2-6xy+—x)-(5x2+xy-2x)
4
17
(—xy-2y2+3)+(x2+—xy+2y2+4)
46
15
(xy+—y-—)-(xy-x+2)
46
(5y-3x+9z2)+(9y+3x-7z2)
(4k2+6k)-(k2+2k+1)
(4a2-5a-2b)-(9a2+7a-6b)
8x2+(7x2+2x-8)+(2x+6)
8y2+(7x2+y)-(x2-9y2)