七年级数学下册计算题大全118.docx
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七年级数学下册计算题大全118
2
(x2+7xy+—x)+(2x2+4xy-7x)
3
16
(—xy-y2-5)+(x2+—xy+2y2-3)
87
14
(xy-—y-—)-(xy-x-3)
35
(4y+6x-4z2)-(y+8x+7z2)
(8k2-8k)+(8k2-2k+2)
(7a2-4a+7b)-(4a2-4a-4b)
x2+(5x2+x-6)-(5x-8)
4y2-(3x2-y)+(8x2-5y2)
1
(8x2-4xy-—x)+(5x2-6xy+3x)
4
22
(—xy+8y2-9)-(x2-—xy-8y2+6)
33
61
(xy+—y-—)-(xy-x+4)
75
(6y-8x-2z2)+(6y+2x+5z2)
(8k2+8k)-(6k2+8k+3)
(9a2-3a+9b)+(5a2+9a+7b)
6x2+(x2+7x+8)-(8x+5)
6y2+(x2-y)-(2x2-8y2)
7
(7x2+8xy+—x)+(7x2+4xy+7x)
8
53
(—xy+4y2+2)-(x2-—xy-3y2-2)
44
77
(xy+—y+—)-(xy-x+9)
68
(6y+5x+z2)-(9y-4x+9z2)
(k2+3k)-(3k2-3k-5)
(a2+a-4b)+(7a2+2a+6b)
4x2-(3x2-5x-6)+(4x-3)
2y2-(6x2+y)-(9x2-9y2)
8
(2x2+3xy+—x)+(2x2+4xy-5x)
7
61
(—xy+6y2+7)-(x2-—xy-8y2+3)
73
81
(xy-—y-—)-(xy-x+4)
73
(2y-7x-8z2)-(9y+4x+2z2)
(8k2+9k)-(4k2-9k-3)
(7a2-9a+4b)-(7a2-4a-b)
4x2+(2x2+5x-9)-(5x+7)
y2-(6x2+y)-(9x2-8y2)
1
(2x2+2xy+—x)+(6x2+7xy+4x)
7
14
(—xy+2y2-4)+(x2-—xy-7y2+6)
43
18
(xy+—y-—)-(xy+x-1)
67
(y+6x+6z2)-(9y+2x-2z2)
(8k2-k)+(9k2+5k-7)
(3a2+5a-5b)+(6a2-2a+b)
2x2-(5x2-6x-8)-(6x-1)
9y2+(3x2+y)-(5x2-7y2)
4
(3x2-9xy+—x)+(6x2+6xy+x)
5
12
(—xy-3y2+1)-(x2-—xy+9y2-3)
73
17
(xy+—y+—)-(xy-x-7)
76
(6y-2x+8z2)+(3y+5x-6z2)
(4k2+4k)+(6k2-3k+6)
(8a2-2a+8b)+(6a2+3a+5b)
9x2+(4x2-3x+7)-(8x+6)
2y2-(8x2+y)+(3x2-3y2)
1
(7x2-xy+—x)+(5x2-7xy-4x)
3
75
(—xy+y2+3)-(x2-—xy-6y2+1)
66
14
(xy-—y+—)+(xy+x+2)
83
(6y+4x+7z2)-(8y-2x-3z2)
(5k2-8k)-(3k2-3k-7)
(a2+5a-3b)+(a2-3a-b)
6x2+(3x2-x-5)+(9x-4)
9y2-(4x2-y)-(x2-5y2)
1
(6x2+3xy+—x)+(4x2+7xy-2x)
6
17
(—xy-9y2+8)-(x2-—xy-4y2-5)
68
11
(xy-—y-—)+(xy+x-7)
64
(5y-9x-5z2)+(y-x+z2)
(5k2-2k)-(2k2-9k+9)
(a2+2a+5b)+(7a2-a+4b)
x2-(2x2-5x+5)+(4x+7)
5y2+(x2+y)+(3x2-7y2)
9
(2x2-3xy+—x)+(x2+7xy-7x)
8
16
(—xy+2y2-9)-(x2+—xy+6y2+6)
55
13
(xy+—y+—)-(xy-x+2)
84
(8y+5x-z2)+(6y-x+3z2)
(5k2-6k)-(9k2-8k-6)
(a2-9a+2b)-(a2+5a-9b)
9x2-(3x2+3x+4)-(6x-9)
9y2-(8x2+y)-(3x2+y2)
6
(x2+xy-—x)-(9x2-8xy+7x)
5
51
(—xy-4y2+7)+(x2+—xy+7y2+1)
64
44
(xy+—y+—)-(xy+x+9)
53
(6y+x-7z2)-(2y+4x-5z2)
(2k2+k)+(3k2+6k-3)
(3a2+8a-6b)-(8a2-a+8b)
3x2+(3x2+9x+9)+(4x-7)
7y2+(6x2+y)+(2x2+2y2)
7
(2x2+7xy+—x)+(2x2-xy+7x)
6
12
(—xy-8y2-7)-(x2+—xy-9y2+4)
33
49
(xy+—y-—)-(xy+x+4)
58
(5y+3x+z2)-(6y-4x-8z2)
(7k2-6k)-(6k2-8k+5)
(8a2-2a+9b)+(7a2+8a+3b)
9x2+(2x2+5x+4)+(3x+7)
9y2+(8x2-y)+(x2-9y2)
7
(5x2-xy+—x)-(7x2-7xy+x)
8
11
(—xy+2y2-7)+(x2+—xy+y2+5)
87
15
(xy-—y-—)-(xy-x-2)
46
(6y-2x-3z2)+(9y-2x+6z2)
(8k2+3k)-(9k2+3k-1)
(6a2-2a-8b)-(8a2+2a-2b)
5x2-(4x2-3x+9)+(4x-9)
4y2+(8x2-y)-(9x2-7y2)
9
(3x2+9xy+—x)+(4x2+2xy-6x)
8
81
(—xy+8y2-9)-(x2+—xy+y2-8)
77
87
(xy+—y-—)+(xy+x+1)
78
(8y-9x+2z2)-(8y+x+z2)