七年级数学下册计算题大全196.docx
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七年级数学下册计算题大全196
5
(9x2+6xy+—x)-(9x2-2xy+6x)
4
99
(—xy-4y2-1)-(x2-—xy-y2-1)
88
58
(xy-—y+—)+(xy-x+8)
47
(y-x+4z2)-(2y+2x-5z2)
(8k2-3k)+(5k2+3k-8)
(9a2+3a+6b)-(9a2-5a-2b)
3x2+(8x2-3x+4)-(6x-4)
5y2-(8x2-y)-(7x2-y2)
5
(x2-4xy-—x)+(9x2+5xy+3x)
4
71
(—xy+3y2+8)-(x2+—xy+2y2-3)
86
11
(xy-—y+—)+(xy+x-6)
68
(4y+8x-z2)-(3y+8x+7z2)
(4k2+4k)-(4k2-7k+6)
(6a2-7a-6b)-(4a2-9a+2b)
8x2-(4x2+9x+1)-(x-4)
3y2+(9x2+y)-(9x2-3y2)
1
(6x2+3xy-—x)+(5x2-2xy-3x)
6
14
(—xy-y2+5)+(x2-—xy-7y2+9)
85
11
(xy+—y+—)-(xy+x-9)
63
(5y+2x+8z2)+(5y-9x+2z2)
(7k2-3k)-(9k2-4k+9)
(8a2-4a-6b)-(5a2+8a-6b)
x2+(8x2-9x-4)+(6x-4)
5y2+(6x2+y)+(4x2+2y2)
3
(x2+8xy+—x)+(9x2+2xy+6x)
4
17
(—xy+2y2+3)-(x2-—xy+7y2-2)
56
17
(xy+—y-—)+(xy+x-8)
48
(4y+3x-7z2)+(3y+8x+4z2)
(4k2-6k)+(k2-2k+5)
(2a2-6a+6b)-(8a2+a-3b)
7x2-(x2+x-2)+(6x-7)
5y2-(8x2+y)-(x2-4y2)
1
(2x2-xy-—x)-(9x2-4xy+x)
7
51
(—xy+8y2-9)+(x2+—xy+3y2-5)
63
17
(xy-—y+—)+(xy+x+7)
76
(7y-6x+8z2)-(y-4x+2z2)
(8k2-5k)-(5k2-5k-5)
(8a2-5a+9b)-(4a2+5a-9b)
2x2-(9x2-9x+6)-(3x-5)
2y2+(2x2+y)+(x2+7y2)
1
(9x2+8xy-—x)-(x2-2xy-9x)
3
35
(—xy+3y2-4)+(x2-—xy-7y2+9)
46
57
(xy+—y-—)-(xy-x-1)
48
(2y+7x-8z2)-(8y-5x+9z2)
(4k2-8k)+(7k2+5k+7)
(4a2-9a-2b)+(2a2-7a-6b)
7x2+(9x2-5x+8)-(8x-6)
5y2-(7x2+y)+(x2+4y2)
6
(2x2-4xy+—x)+(7x2+8xy+7x)
5
71
(—xy-6y2+5)-(x2+—xy+4y2-2)
86
71
(xy-—y-—)+(xy-x+6)
87
(4y+3x+2z2)+(9y-3x+5z2)
(5k2-9k)-(8k2-5k+1)
(3a2+8a+8b)-(6a2+a-4b)
5x2+(7x2-6x-1)-(3x+4)
3y2-(x2-y)+(3x2+6y2)
6
(4x2-3xy-—x)-(3x2+3xy-4x)
7
42
(—xy-2y2+5)-(x2+—xy+5y2+5)
33
17
(xy+—y-—)+(xy+x-3)
78
(6y+5x+7z2)+(5y+9x-5z2)
(4k2-6k)+(2k2-5k-7)
(6a2+a+7b)+(2a2+a-9b)
3x2-(9x2+5x-2)-(3x+9)
y2-(6x2+y)-(6x2-7y2)
1
(6x2+xy-—x)+(6x2-9xy+4x)
5
11
(—xy+3y2-1)-(x2+—xy+8y2-3)
74
11
(xy-—y-—)+(xy-x-7)
75
(y-2x-z2)-(5y+x+8z2)
(8k2-2k)-(3k2-4k+4)
(8a2-8a+7b)+(4a2-7a+7b)
7x2-(9x2+4x-6)-(4x+2)
3y2-(2x2-y)+(7x2-y2)
1
(4x2+7xy-—x)-(5x2-9xy-x)
7
87
(—xy-y2-3)+(x2-—xy-9y2-9)
76
61
(xy+—y+—)+(xy-x-1)
73
(7y+6x-6z2)-(6y-7x-6z2)
(9k2-6k)-(k2+2k+4)
(a2+9a-4b)-(3a2+a+2b)
4x2-(4x2-5x+3)-(6x-2)
5y2-(9x2+y)+(9x2-9y2)
4
(x2+7xy+—x)-(x2+7xy+3x)
3
73
(—xy-2y2-4)-(x2-—xy-5y2+2)
64
61
(xy-—y+—)+(xy+x+9)
73
(8y+9x-6z2)+(4y-3x+8z2)
(7k2+5k)-(7k2-k-7)
(5a2+8a+5b)-(4a2+a-8b)
2x2-(6x2+8x+2)+(2x-7)
6y2-(7x2+y)+(3x2+7y2)
5
(4x2+xy+—x)+(7x2-7xy-2x)
4
71
(—xy+4y2+4)-(x2-—xy-2y2+5)
63
26
(xy+—y+—)-(xy+x-6)
35
(8y+x-9z2)-(7y-2x+8z2)
(6k2-9k)+(2k2+3k-3)
(2a2+a-8b)+(3a2-4a-8b)
3x2-(3x2-5x+3)+(9x-9)
2y2-(6x2+y)-(5x2-5y2)
3
(3x2-9xy-—x)-(7x2+6xy+x)
4
15
(—xy+4y2+2)-(x2-—xy+3y2-9)
86
29
(xy-—y-—)+(xy+x-9)
38
(y+x-9z2)-(5y-2x+z2)