七年级数学下册计算题大全27.docx
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七年级数学下册计算题大全27.docx
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七年级数学下册计算题大全27
(2k2+6k)+(3k2-4k-4)
(6a2-6a+5b)-(8a2-3a+2b)
3x2-(9x2+8x+5)+(x-9)
8y2-(8x2+y)+(8x2+y2)
3
(2x2+xy+—x)-(5x2-3xy-9x)
4
31
(—xy+9y2+4)-(x2-—xy-9y2+3)
46
16
(xy-—y+—)+(xy-x-3)
67
(8y-x-5z2)+(6y-3x-z2)
(8k2+k)-(9k2-9k-2)
(2a2-3a+5b)-(9a2+8a+9b)
6x2-(8x2-6x+5)+(5x-6)
3y2+(6x2+y)-(2x2-5y2)
7
(9x2-6xy+—x)+(4x2+5xy+2x)
8
71
(—xy+2y2-9)+(x2-—xy-6y2+3)
88
17
(xy-—y+—)-(xy+x+7)
36
(8y-6x+3z2)+(3y-x+9z2)
(7k2+5k)-(2k2+4k+3)
(6a2-4a-5b)+(6a2+6a+5b)
5x2+(8x2+2x-3)-(x+1)
8y2+(6x2+y)+(9x2-3y2)
6
(3x2+xy-—x)-(2x2-8xy-7x)
5
51
(—xy+y2+8)-(x2-—xy+8y2-4)
43
15
(xy-—y-—)+(xy+x+2)
46
(3y-9x-3z2)+(6y+2x-7z2)
(6k2+2k)-(3k2-5k-4)
(a2+2a+5b)-(4a2-3a+b)
3x2+(2x2-5x+8)-(8x+1)
9y2+(3x2-y)-(3x2-y2)
7
(x2-xy-—x)+(6x2-6xy-2x)
6
67
(—xy+6y2+7)+(x2+—xy+5y2-4)
58
12
(xy+—y-—)-(xy-x-7)
53
(4y+7x+5z2)+(8y+6x+9z2)
(3k2-7k)+(k2-8k+5)
(4a2-3a-5b)+(5a2-8a-2b)
6x2+(6x2-4x+3)-(9x+4)
y2+(4x2-y)-(4x2-8y2)
1
(3x2+9xy-—x)-(8x2+6xy+4x)
5
81
(—xy+y2-7)+(x2+—xy+2y2+3)
74
14
(xy-—y+—)-(xy-x-4)
45
(y+5x+6z2)+(4y-9x-7z2)
(4k2+6k)+(7k2+4k-1)
(9a2+7a+b)+(3a2+2a-8b)
7x2+(3x2-5x+2)-(x-8)
6y2+(4x2-y)+(7x2+5y2)
1
(5x2+3xy-—x)+(4x2+5xy-8x)
5
11
(—xy-y2-2)-(x2-—xy+9y2+3)
63
17
(xy+—y-—)-(xy+x+8)
76
(y-6x+3z2)-(9y-8x+7z2)
(4k2-4k)+(2k2+2k+2)
(8a2+7a+2b)-(2a2-7a-8b)
9x2-(9x2-7x+6)-(5x-1)
9y2-(9x2-y)+(8x2+2y2)
5
(5x2+9xy+—x)+(6x2+9xy+2x)
6
71
(—xy-6y2-2)+(x2+—xy-7y2-6)
64
16
(xy+—y+—)-(xy-x+7)
35
(3y+8x+2z2)-(9y-8x+5z2)
(5k2+k)+(6k2+2k-8)
(2a2-6a-7b)-(7a2-3a+3b)
x2+(9x2+x-3)-(9x-8)
2y2+(8x2-y)-(4x2-6y2)
1
(x2+4xy-—x)-(3x2-3xy+7x)
8
51
(—xy+6y2-8)+(x2-—xy+6y2+1)
66
43
(xy-—y-—)-(xy-x-9)
34
(8y+4x+9z2)+(3y-7x-8z2)
(6k2+7k)+(9k2-4k-6)
(9a2-7a+9b)+(3a2+4a+3b)
2x2-(5x2-8x-6)+(8x-4)
5y2+(7x2-y)-(2x2-6y2)
1
(7x2+xy+—x)+(4x2-3xy+8x)
4
51
(—xy+9y2-2)+(x2-—xy+3y2-5)
64
16
(xy-—y-—)-(xy+x+1)
77
(6y-2x-8z2)-(2y+3x-5z2)
(7k2+7k)+(5k2-2k+3)
(4a2+3a+2b)-(3a2+6a+2b)
6x2-(4x2+3x+3)-(8x-2)
5y2+(9x2+y)+(4x2-8y2)
7
(x2+2xy-—x)+(2x2+9xy-9x)
6
11
(—xy-2y2+5)+(x2+—xy-y2+8)
77
54
(xy-—y-—)-(xy+x-6)
45
(9y-3x+3z2)+(7y+2x+6z2)
(2k2-7k)+(7k2+9k-3)
(a2+8a-b)+(5a2+6a-b)
7x2+(8x2-7x+5)+(9x-4)
6y2+(4x2-y)-(4x2-6y2)
1
(5x2-3xy-—x)+(9x2-8xy-7x)
7
56
(—xy+y2-9)+(x2+—xy+7y2+1)
65
61
(xy+—y+—)+(xy-x-4)
57
(8y-5x-2z2)-(8y+7x+z2)
(9k2-k)+(2k2-2k+9)
(7a2-5a+5b)-(2a2-3a+7b)
9x2+(7x2-7x-2)+(6x+5)
5y2+(4x2-y)-(2x2-y2)
9
(9x2+9xy-—x)-(2x2-6xy-x)
8
16
(—xy-2y2+1)-(x2-—xy-3y2-4)
75
61
(xy-—y+—)+(xy-x+1)
56
(6y-3x-6z2)+(5y+5x+5z2)
(3k2+5k)-(9k2-6k+6)
(3a2-a+2b)+(7a2+4a-3b)
9x2+(4x2-4x-3)+(x+2)
4y2+(5x2+y)-(9x2+8y2)
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