七年级数学下册计算题大全222.docx
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七年级数学下册计算题大全222
3
(4x2+7xy+—x)-(2x2+xy-2x)
4
15
(—xy-5y2+1)-(x2+—xy-6y2+5)
54
16
(xy-—y-—)+(xy+x-8)
87
(3y+7x+z2)+(7y-8x-5z2)
(4k2-3k)-(9k2+4k+7)
(4a2+4a+8b)-(4a2+8a-6b)
4x2+(x2-3x+5)-(x-1)
y2+(4x2-y)-(8x2-8y2)
2
(2x2+4xy-—x)-(8x2+2xy-8x)
3
11
(—xy-4y2-6)+(x2+—xy-8y2+6)
67
66
(xy+—y+—)+(xy+x-9)
77
(y+8x+4z2)+(y-2x-z2)
(8k2-7k)+(6k2-2k-5)
(3a2+7a+8b)+(3a2-8a-2b)
5x2-(4x2-3x+2)-(8x-5)
2y2-(7x2-y)-(9x2+y2)
1
(9x2-6xy-—x)+(9x2-3xy+2x)
5
11
(—xy+8y2-8)+(x2-—xy-7y2+8)
57
11
(xy-—y+—)+(xy+x-1)
37
(2y-x-3z2)+(y+6x-8z2)
(7k2+7k)+(k2-k+9)
(5a2-6a+3b)-(5a2-7a+b)
2x2-(9x2-7x-7)+(x+4)
9y2-(2x2-y)+(4x2+3y2)
6
(6x2+3xy+—x)-(4x2-xy+9x)
7
14
(—xy-5y2-4)+(x2-—xy-4y2+2)
83
13
(xy-—y-—)+(xy+x+9)
84
(8y+7x+8z2)-(7y-x-5z2)
(2k2-7k)-(4k2-8k-3)
(8a2+9a-5b)+(4a2+a-b)
8x2+(9x2+7x-6)-(4x-5)
9y2+(8x2-y)-(6x2-2y2)
1
(2x2+5xy-—x)+(5x2-3xy+4x)
6
11
(—xy+7y2+6)+(x2-—xy+3y2-4)
63
91
(xy-—y-—)+(xy+x+9)
83
(6y-3x+4z2)-(9y+3x+9z2)
(8k2+6k)-(2k2-5k-3)
(3a2+7a-2b)-(4a2-5a-3b)
x2-(6x2+4x+6)+(x-9)
3y2+(4x2-y)-(3x2-5y2)
7
(8x2-3xy+—x)+(9x2-5xy+4x)
6
78
(—xy-3y2-1)+(x2-—xy+7y2+4)
87
15
(xy+—y+—)-(xy-x+3)
36
(3y+2x+4z2)+(5y+8x-3z2)
(2k2-6k)+(k2+8k-8)
(3a2+8a+3b)-(4a2+9a+7b)
9x2-(9x2-3x+8)-(x-5)
2y2-(x2+y)+(6x2-2y2)
4
(9x2+5xy-—x)+(4x2-7xy-4x)
5
17
(—xy-y2-5)-(x2+—xy+2y2+5)
66
15
(xy+—y-—)+(xy+x+3)
74
(5y+5x+6z2)-(2y+5x-9z2)
(4k2-7k)+(8k2+2k+4)
(4a2+a-9b)-(8a2-5a-7b)
8x2-(3x2+4x-4)-(8x+6)
6y2+(2x2-y)-(4x2-9y2)
4
(8x2+xy+—x)+(2x2-5xy+4x)
3
13
(—xy-9y2+7)-(x2-—xy+2y2-1)
64
11
(xy+—y+—)-(xy-x-9)
38
(8y-4x+3z2)+(7y-7x+9z2)
(8k2+k)-(2k2+3k-6)
(5a2-4a-2b)+(7a2-2a+7b)
7x2-(5x2+x+6)-(4x-4)
2y2-(8x2+y)-(5x2+5y2)
4
(4x2+xy+—x)+(6x2+4xy-8x)
5
94
(—xy-8y2-3)+(x2-—xy+2y2-5)
85
18
(xy-—y-—)-(xy+x+2)
87
(2y-9x-z2)+(4y+2x-2z2)
(k2+7k)+(k2+4k+5)
(6a2-a+4b)-(4a2+8a+3b)
7x2+(2x2-8x+4)-(4x+8)
7y2+(3x2-y)-(2x2-6y2)
4
(2x2+xy+—x)+(6x2+7xy+3x)
5
11
(—xy-9y2+2)-(x2+—xy-7y2+8)
37
17
(xy-—y-—)+(xy+x-2)
68
(8y-6x+2z2)-(7y-7x+7z2)
(3k2+7k)-(8k2+2k+5)
(8a2+2a+6b)-(8a2+5a-8b)
5x2-(x2+8x+5)-(8x-4)
8y2-(3x2+y)+(3x2+6y2)
5
(7x2-7xy+—x)-(4x2+4xy-4x)
6
24
(—xy-9y2-4)+(x2-—xy+6y2-9)
35
11
(xy-—y+—)-(xy-x+2)
53
(y+9x-9z2)-(4y+7x-4z2)
(2k2+4k)+(5k2+6k+2)
(2a2-4a-b)-(a2-8a-5b)
2x2+(6x2+6x-3)+(2x+7)
y2+(9x2-y)-(8x2+7y2)
1
(7x2-8xy-—x)-(4x2-6xy-9x)
3
23
(—xy+7y2-9)+(x2+—xy-9y2-8)
34
54
(xy+—y+—)-(xy+x+1)
63
(6y+7x+7z2)-(8y-x-7z2)
(2k2-6k)-(9k2-9k+9)
(6a2+4a+8b)+(8a2-3a-7b)
9x2+(5x2+4x-2)+(x-3)
2y2-(2x2+y)+(x2+4y2)
1
(6x2+8xy-—x)-(x2-4xy-4x)
5
41
(—xy-y2+4)+(x2+—xy+9y2+1)
56
39
(xy+—y+—)+(xy-x+3)
48
(5y+7x+2z2)+(8y+3x-5z2)