七年级数学下册计算题大全147.docx
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七年级数学下册计算题大全147.docx
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七年级数学下册计算题大全147
(7k2+7k)-(2k2-7k-6)
(6a2-3a-4b)+(2a2-3a+4b)
8x2-(5x2-x-7)+(2x+7)
8y2-(8x2+y)+(2x2-8y2)
7
(7x2-7xy-—x)+(4x2+7xy+8x)
6
18
(—xy-8y2+7)-(x2-—xy+y2+5)
67
51
(xy+—y+—)-(xy+x-8)
44
(y-9x-5z2)-(6y-5x+9z2)
(4k2+7k)-(k2+7k-8)
(3a2+5a+9b)-(a2-9a-8b)
5x2+(5x2-5x+5)+(6x+7)
7y2-(8x2-y)+(x2-6y2)
1
(8x2+xy-—x)-(9x2+7xy-2x)
7
12
(—xy-4y2-9)-(x2+—xy-9y2-6)
43
11
(xy+—y+—)+(xy-x+1)
33
(4y+9x-6z2)-(y-9x-6z2)
(9k2-5k)-(4k2+8k+5)
(7a2+9a-7b)-(a2+5a-4b)
3x2+(4x2+9x-1)+(7x+1)
y2-(3x2-y)+(7x2+7y2)
4
(3x2-8xy+—x)+(x2+9xy+3x)
3
15
(—xy-8y2-9)-(x2-—xy-5y2-5)
74
42
(xy+—y-—)-(xy-x-9)
33
(y-8x-9z2)+(9y+x+4z2)
(7k2-5k)-(5k2+9k+3)
(2a2-8a-b)+(2a2-a+3b)
3x2-(7x2+x-7)+(2x-9)
5y2-(x2+y)+(3x2-9y2)
4
(5x2-xy-—x)-(9x2-8xy-7x)
3
17
(—xy-2y2-7)+(x2+—xy+y2-9)
86
69
(xy+—y-—)+(xy+x-8)
58
(3y-7x-6z2)+(6y+5x-8z2)
(2k2-2k)+(6k2-7k+5)
(4a2-9a-9b)+(7a2-8a+6b)
9x2+(4x2+5x+2)+(x-6)
2y2+(x2+y)-(5x2-7y2)
1
(6x2+5xy-—x)+(5x2+2xy-9x)
6
41
(—xy-3y2-5)-(x2-—xy+8y2-6)
58
19
(xy-—y+—)-(xy-x-7)
88
(5y+6x-4z2)+(7y-3x+5z2)
(3k2-6k)-(9k2-6k-7)
(a2-a+7b)-(5a2+a+5b)
6x2-(7x2+6x-6)+(5x+7)
6y2+(x2-y)+(7x2+4y2)
1
(7x2+6xy+—x)+(3x2-8xy-7x)
8
51
(—xy-9y2+5)-(x2-—xy-6y2-7)
43
42
(xy-—y-—)+(xy-x+7)
33
(6y-6x+8z2)+(6y-x+6z2)
(k2+4k)+(2k2-2k-4)
(9a2+7a+8b)+(3a2+7a+9b)
9x2+(9x2+3x-1)-(x+5)
y2-(4x2-y)-(8x2+y2)
3
(8x2-4xy-—x)-(6x2-7xy+8x)
4
61
(—xy+6y2-6)+(x2-—xy-3y2+8)
75
89
(xy-—y-—)+(xy+x-6)
78
(y-x-6z2)-(7y+x+3z2)
(7k2-3k)-(4k2+7k+9)
(8a2-9a+5b)-(a2-8a-8b)
8x2-(7x2-x+5)-(3x+6)
9y2+(4x2-y)+(x2+4y2)
8
(x2+9xy+—x)+(9x2-2xy-3x)
7
81
(—xy-y2-3)-(x2-—xy-2y2-5)
73
55
(xy-—y+—)+(xy-x+9)
64
(y-8x+5z2)+(7y+3x-6z2)
(5k2+k)+(9k2+4k-9)
(7a2-6a-b)-(7a2-2a-7b)
3x2+(3x2+3x-2)+(6x-9)
3y2-(3x2-y)-(x2+8y2)
6
(x2+xy-—x)+(5x2+xy+3x)
7
13
(—xy+9y2-2)-(x2+—xy-6y2+8)
34
56
(xy+—y-—)-(xy+x-5)
65
(3y+5x-8z2)+(y+3x-2z2)
(k2+k)+(2k2-8k+9)
(4a2-a+3b)+(7a2+8a+6b)
4x2-(8x2+x-5)-(4x-2)
7y2-(8x2-y)-(5x2-8y2)
1
(7x2+9xy+—x)-(5x2-2xy+8x)
6
11
(—xy-4y2+5)+(x2+—xy-2y2-5)
47
41
(xy-—y+—)-(xy+x+5)
54
(3y-3x+5z2)+(8y+3x+7z2)
(9k2-5k)-(7k2+5k+4)
(5a2+2a-6b)+(6a2-a+7b)
8x2+(8x2+6x-2)+(3x-8)
4y2-(7x2-y)-(7x2+7y2)
1
(6x2-3xy-—x)+(4x2+6xy+7x)
4
11
(—xy+7y2+4)-(x2-—xy+2y2+9)
84
14
(xy-—y-—)+(xy+x+5)
45
(2y+5x-9z2)+(4y-4x+6z2)
(3k2-8k)+(k2-k+4)
(9a2-2a+9b)-(5a2-3a-2b)
8x2+(9x2+8x+3)-(x+6)
y2+(8x2-y)-(7x2+y2)
9
(4x2-2xy-—x)+(x2-4xy-x)
8
14
(—xy-2y2-8)-(x2-—xy-4y2-4)
53
74
(xy-—y+—)-(xy+x-4)
65
(y+7x-4z2)+(6y-6x-7z2)
(9k2-k)-(7k2+9k-8)
(8a2+3a-6b)+(4a2-6a-4b)
9x2-(9x2-5x+5)-(x-4)
2y2+(5x2-y)+(4x2+7y2)
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