七年级数学下册计算题大全37.docx
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七年级数学下册计算题大全37.docx
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七年级数学下册计算题大全37
(7k2-7k)-(k2-2k+5)
(7a2-a+b)+(5a2+3a-6b)
4x2-(5x2-5x-7)-(9x-6)
2y2-(8x2+y)-(4x2+6y2)
1
(5x2-2xy+—x)+(3x2+2xy-5x)
7
15
(—xy-6y2+8)-(x2+—xy-9y2-9)
46
16
(xy+—y+—)+(xy+x-2)
87
(8y-x+7z2)-(7y-9x-3z2)
(9k2+3k)+(2k2-5k-3)
(2a2+7a+5b)-(a2+6a+7b)
4x2-(3x2-2x+2)-(2x-8)
4y2+(6x2-y)+(9x2-2y2)
7
(4x2-4xy-—x)+(8x2+2xy+x)
6
61
(—xy-3y2+5)+(x2+—xy+3y2-1)
58
61
(xy-—y-—)+(xy+x+5)
57
(9y+2x+3z2)+(9y-8x+2z2)
(3k2+5k)-(2k2+2k-6)
(8a2-4a+2b)-(8a2+8a+b)
x2+(5x2-8x+7)-(2x-3)
3y2+(4x2-y)+(4x2-y2)
6
(2x2-5xy+—x)-(6x2-4xy+5x)
5
13
(—xy+5y2-9)-(x2+—xy-5y2-6)
64
18
(xy+—y+—)-(xy-x-8)
77
(4y-3x-7z2)-(4y+7x-4z2)
(3k2+6k)+(7k2+5k+6)
(4a2+4a+8b)+(a2+9a-2b)
7x2+(6x2+7x+5)+(4x+6)
y2-(3x2+y)+(7x2+2y2)
1
(4x2+7xy+—x)+(8x2-3xy+x)
3
13
(—xy-3y2-1)+(x2+—xy+6y2-1)
74
33
(xy+—y-—)-(xy+x-5)
44
(8y-x+4z2)+(9y-3x-9z2)
(2k2-4k)-(6k2-5k-5)
(6a2+9a+7b)-(2a2-9a-2b)
7x2+(5x2+7x-6)-(9x-9)
4y2+(3x2+y)-(8x2-2y2)
1
(5x2+xy-—x)+(8x2+6xy+4x)
7
75
(—xy-6y2+6)-(x2+—xy-3y2-5)
84
11
(xy+—y+—)-(xy+x-7)
74
(4y-8x+3z2)+(8y+7x+4z2)
(3k2-6k)+(8k2+8k-6)
(a2+3a+7b)+(8a2-8a-5b)
9x2+(5x2+8x+8)-(x-2)
5y2-(x2-y)-(7x2-2y2)
1
(4x2-9xy-—x)-(6x2-5xy-3x)
7
13
(—xy+3y2-1)-(x2+—xy+7y2+3)
54
36
(xy+—y-—)-(xy+x-2)
47
(3y+3x+6z2)-(3y+7x+z2)
(9k2+9k)+(3k2+5k+6)
(6a2-7a+b)-(2a2+5a-5b)
4x2+(7x2+x-3)-(9x-8)
8y2-(5x2+y)-(4x2-5y2)
1
(8x2-xy-—x)-(3x2-9xy+8x)
5
18
(—xy-6y2+7)-(x2+—xy+3y2-6)
67
13
(xy+—y+—)-(xy+x-5)
34
(y+8x+5z2)+(5y+2x-4z2)
(5k2-4k)-(k2+8k-4)
(4a2+2a-6b)-(a2+7a+7b)
x2+(8x2-6x-2)+(2x+3)
y2+(8x2-y)-(7x2-5y2)
6
(3x2+5xy-—x)+(9x2+8xy+3x)
7
12
(—xy-7y2-6)-(x2-—xy-6y2-8)
73
11
(xy-—y+—)+(xy+x-7)
44
(3y-4x-6z2)-(8y+7x+2z2)
(k2-5k)-(7k2-4k-6)
(4a2+5a+3b)-(a2-7a-9b)
4x2-(6x2+9x+1)-(3x-6)
4y2+(5x2-y)+(3x2+2y2)
7
(9x2-9xy+—x)-(x2+9xy-6x)
8
11
(—xy+2y2+6)-(x2+—xy+2y2+2)
44
44
(xy-—y-—)-(xy-x+2)
35
(5y-8x+6z2)+(8y+8x+5z2)
(7k2+5k)+(9k2+k-6)
(8a2+a+3b)+(2a2-8a+5b)
4x2+(4x2-2x-8)+(5x-6)
5y2-(8x2-y)-(x2-6y2)
1
(8x2-4xy+—x)-(9x2-5xy-9x)
5
28
(—xy-7y2-9)+(x2-—xy+2y2-9)
37
15
(xy+—y+—)-(xy-x+6)
66
(6y-6x-4z2)-(5y-2x-8z2)
(8k2+6k)-(4k2+3k-9)
(4a2+3a+6b)-(7a2-5a-3b)
8x2+(9x2+4x-5)+(6x-4)
2y2-(2x2-y)-(5x2-7y2)
3
(3x2-3xy-—x)-(4x2-9xy+x)
4
43
(—xy+5y2+1)+(x2-—xy-y2-7)
54
31
(xy-—y-—)+(xy+x-8)
45
(8y+8x+4z2)+(9y+8x-7z2)
(8k2+5k)+(7k2+6k+3)
(7a2-6a+5b)-(6a2+6a-2b)
2x2+(3x2-5x-7)+(3x+6)
9y2-(3x2+y)+(x2+3y2)
1
(7x2-6xy+—x)+(4x2-xy+9x)
7
65
(—xy+3y2-9)+(x2+—xy+7y2-6)
54
15
(xy-—y-—)+(xy-x-2)
84
(3y+9x+5z2)+(6y+9x-3z2)
(9k2-8k)+(4k2-5k-2)
(8a2+a-5b)-(8a2+8a+8b)
4x2-(9x2+9x-7)+(6x+1)
8y2-(6x2-y)+(6x2-8y2)
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