七年级数学下册计算题大全207.docx
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七年级数学下册计算题大全207
(k2+2k)+(6k2+3k+6)
(6a2-2a+2b)+(5a2+6a+6b)
6x2+(8x2+7x-1)+(8x-6)
3y2-(6x2-y)+(2x2-2y2)
1
(2x2-5xy-—x)+(x2-5xy-8x)
6
15
(—xy-4y2+6)+(x2-—xy+3y2-5)
76
51
(xy+—y+—)+(xy+x+4)
63
(y+9x-9z2)+(7y+8x-4z2)
(6k2-k)+(7k2+9k+3)
(7a2+3a+9b)-(9a2-3a-8b)
2x2-(6x2-8x+1)+(9x+9)
7y2+(7x2-y)+(3x2-4y2)
6
(9x2+9xy-—x)+(4x2-9xy-3x)
5
11
(—xy+2y2-8)+(x2-—xy+3y2-3)
33
16
(xy+—y-—)+(xy-x-3)
65
(5y-6x+z2)+(8y-3x+z2)
(7k2-4k)+(9k2-k-7)
(9a2+7a-b)+(8a2-5a-6b)
5x2-(3x2+9x+8)+(6x-9)
6y2-(x2-y)+(x2+6y2)
1
(x2-3xy-—x)-(9x2-3xy-6x)
3
14
(—xy+7y2+2)+(x2-—xy+8y2-5)
73
15
(xy-—y-—)+(xy-x-7)
74
(3y-x-6z2)+(9y-2x+8z2)
(6k2-9k)-(7k2-5k-6)
(6a2-2a+5b)-(2a2+5a+2b)
6x2+(x2+5x+8)-(3x+7)
9y2+(6x2-y)+(3x2+2y2)
5
(2x2+5xy+—x)+(2x2-3xy+2x)
4
63
(—xy+3y2+4)-(x2-—xy+y2+3)
74
71
(xy+—y+—)-(xy+x+3)
84
(3y-8x+3z2)-(4y+7x+3z2)
(k2-4k)+(9k2-3k+8)
(9a2+8a+7b)-(5a2-3a+5b)
4x2+(6x2-8x-6)+(8x-7)
6y2-(5x2-y)+(9x2-3y2)
1
(7x2-xy+—x)-(7x2+6xy+7x)
4
14
(—xy-5y2+8)-(x2-—xy-y2+5)
43
12
(xy-—y+—)-(xy-x+2)
53
(2y+3x-9z2)-(6y-4x+7z2)
(3k2+2k)+(8k2-5k-8)
(5a2+2a-b)-(9a2+2a-3b)
8x2-(x2+x-8)-(6x-6)
5y2+(4x2+y)+(8x2+6y2)
1
(9x2-5xy-—x)-(3x2-8xy-x)
3
11
(—xy-5y2+1)+(x2+—xy+4y2-1)
68
51
(xy-—y-—)-(xy-x-5)
67
(3y+6x+3z2)-(9y-x+2z2)
(8k2+3k)-(3k2-7k+5)
(6a2-7a+5b)+(a2-7a+5b)
x2-(x2-x+3)-(3x-3)
6y2-(6x2-y)+(5x2-y2)
1
(3x2+4xy-—x)-(8x2+4xy+6x)
3
16
(—xy+4y2-5)-(x2-—xy-9y2+4)
55
19
(xy-—y-—)+(xy-x-7)
78
(y+x-4z2)+(7y+2x-2z2)
(4k2-2k)-(8k2-2k+3)
(9a2-6a+b)-(9a2-7a-9b)
8x2-(x2-4x-5)-(5x+2)
5y2+(5x2+y)-(8x2+4y2)
1
(8x2+4xy+—x)-(6x2+2xy+x)
5
17
(—xy-6y2-7)+(x2-—xy+5y2+9)
86
91
(xy-—y-—)-(xy-x-1)
84
(5y+5x+9z2)+(2y+8x-4z2)
(4k2+6k)-(2k2+9k+8)
(a2-9a-b)+(a2-2a-5b)
4x2-(6x2+9x+3)+(7x-2)
9y2-(4x2+y)-(6x2+2y2)
5
(3x2+7xy+—x)-(6x2+6xy+x)
4
15
(—xy+3y2+7)-(x2-—xy+3y2-1)
66
76
(xy-—y-—)+(xy-x-8)
65
(9y-5x-7z2)+(7y+x+z2)
(8k2+4k)+(9k2-5k+2)
(9a2-8a-7b)-(9a2+9a+4b)
x2-(8x2+2x+9)+(3x+8)
y2+(8x2+y)+(4x2-7y2)
7
(6x2-8xy-—x)-(8x2+7xy+4x)
8
13
(—xy-4y2+1)-(x2-—xy+7y2-7)
34
11
(xy+—y+—)-(xy+x-2)
45
(2y-3x-6z2)+(6y+9x-9z2)
(k2+7k)-(2k2+7k+1)
(2a2-3a+8b)+(8a2-6a+9b)
x2+(4x2-3x+9)+(9x+2)
9y2+(9x2-y)+(x2+3y2)
1
(x2+9xy-—x)+(9x2-3xy+x)
5
41
(—xy-3y2-1)-(x2+—xy+6y2+1)
58
13
(xy-—y+—)-(xy+x+4)
74
(5y+6x+6z2)+(4y+8x+3z2)
(k2+k)-(4k2-5k-4)
(4a2-9a-4b)-(2a2+9a-3b)
9x2-(8x2-6x+5)+(x+1)
y2+(9x2-y)+(8x2+3y2)
6
(5x2-2xy-—x)+(2x2-3xy-3x)
7
77
(—xy+4y2+5)+(x2+—xy+2y2+4)
86
55
(xy-—y-—)-(xy-x-4)
44
(4y-4x-7z2)+(7y+6x+6z2)
(6k2+6k)+(6k2-6k-8)
(2a2+6a-b)+(a2+7a+2b)
8x2+(9x2-7x-6)+(2x+4)
6y2-(6x2+y)+(x2+3y2)