七年级数学下册计算题大全70.docx
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七年级数学下册计算题大全70.docx
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七年级数学下册计算题大全70
7
(8x2-xy-—x)-(4x2+2xy-5x)
6
11
(—xy-3y2-5)+(x2+—xy+8y2+8)
87
65
(xy-—y+—)-(xy+x+9)
54
(y+3x+2z2)+(9y+4x+2z2)
(k2-k)+(4k2+8k+4)
(5a2-4a-4b)+(8a2+8a+4b)
9x2-(x2-2x-8)+(2x+1)
6y2+(9x2+y)+(6x2+9y2)
1
(7x2-5xy-—x)-(5x2+3xy-x)
3
97
(—xy-6y2+5)+(x2-—xy-6y2-1)
86
18
(xy-—y-—)-(xy-x-9)
67
(4y+9x+5z2)+(3y-6x+5z2)
(7k2+4k)+(k2-k-8)
(2a2+5a-3b)-(a2-7a+5b)
4x2-(2x2+5x+5)+(4x-2)
6y2+(8x2+y)-(x2+8y2)
1
(4x2-xy-—x)-(5x2+5xy+6x)
6
55
(—xy-3y2+1)+(x2-—xy+8y2+9)
66
16
(xy-—y+—)+(xy-x+7)
35
(4y+2x-7z2)+(y+x-4z2)
(6k2+8k)-(k2-2k+7)
(2a2+9a-9b)-(3a2-8a-4b)
8x2+(x2+x+6)-(2x-9)
5y2+(2x2+y)+(7x2-5y2)
1
(x2-8xy+—x)-(5x2-4xy-3x)
5
53
(—xy+8y2+2)-(x2+—xy-8y2+6)
64
91
(xy+—y+—)+(xy-x-8)
85
(5y-7x+6z2)+(2y+3x-3z2)
(6k2+6k)-(9k2+k+8)
(7a2-a-4b)+(6a2+4a-7b)
7x2+(7x2-2x+5)-(7x+7)
4y2+(9x2+y)+(9x2-3y2)
1
(4x2+2xy-—x)+(5x2+3xy-5x)
8
17
(—xy-y2+1)+(x2-—xy+4y2-6)
46
67
(xy-—y+—)+(xy-x-8)
76
(6y+7x+3z2)+(3y-2x+7z2)
(8k2+9k)-(7k2+3k+5)
(6a2+3a+2b)-(5a2-4a-9b)
8x2+(4x2-4x+7)-(2x-4)
8y2+(x2+y)+(3x2-4y2)
2
(3x2-5xy-—x)+(4x2+2xy+3x)
3
82
(—xy+2y2-5)-(x2+—xy+3y2+6)
73
15
(xy+—y+—)+(xy+x+5)
36
(8y-9x-2z2)+(6y-6x+5z2)
(4k2-7k)+(4k2-k-2)
(9a2-6a+6b)-(7a2-3a+7b)
3x2+(6x2-9x+7)+(4x-6)
9y2-(4x2+y)+(5x2-4y2)
1
(4x2-xy-—x)+(8x2+8xy+4x)
7
67
(—xy+3y2-2)+(x2-—xy+3y2-4)
78
54
(xy-—y-—)+(xy-x+3)
45
(8y+9x-3z2)-(5y-6x+z2)
(7k2+7k)-(k2+3k+9)
(4a2+2a+3b)+(8a2-7a+5b)
6x2+(x2-5x-3)-(2x+1)
4y2-(9x2+y)+(2x2-2y2)
7
(4x2-2xy+—x)-(5x2-3xy-2x)
8
16
(—xy+8y2+8)+(x2-—xy+4y2+1)
55
36
(xy-—y-—)+(xy-x-8)
45
(3y-x+3z2)-(5y+6x-2z2)
(2k2+k)-(5k2-4k-2)
(4a2-4a+b)-(4a2-6a-5b)
5x2+(2x2-6x+4)-(9x-7)
5y2+(x2+y)+(x2-y2)
9
(9x2+7xy+—x)-(7x2-7xy-x)
8
47
(—xy-5y2+8)+(x2+—xy-y2-6)
58
75
(xy+—y+—)+(xy-x+7)
86
(8y+4x+7z2)-(3y-9x-3z2)
(8k2-3k)+(9k2+9k-3)
(8a2+a-2b)+(7a2+a-3b)
4x2+(2x2+6x+2)-(8x-9)
y2-(5x2-y)+(3x2+y2)
1
(8x2-6xy+—x)-(5x2-3xy+x)
3
16
(—xy-y2+2)+(x2+—xy+9y2+9)
37
24
(xy-—y+—)+(xy-x+1)
33
(8y-9x+2z2)+(4y-x+4z2)
(k2-3k)+(6k2-6k-9)
(a2+5a+6b)+(6a2+8a-6b)
9x2-(5x2+2x-4)+(4x+7)
9y2-(4x2+y)+(2x2-5y2)
6
(9x2-3xy-—x)+(x2-4xy+4x)
7
71
(—xy+6y2+2)-(x2+—xy+7y2-9)
65
15
(xy-—y+—)-(xy+x+5)
64
(6y-4x+2z2)-(9y-5x-8z2)
(8k2+6k)-(8k2-4k+4)
(a2-7a-4b)-(2a2-7a-2b)
3x2+(x2+x+2)-(2x+6)
5y2-(9x2+y)+(3x2-8y2)
1
(2x2-2xy+—x)-(2x2+xy-9x)
7
11
(—xy+9y2-3)+(x2-—xy-9y2-5)
44
85
(xy+—y-—)-(xy-x-9)
76
(6y+3x+5z2)+(4y-5x-z2)
(7k2-4k)-(k2+9k-3)
(3a2+2a+6b)-(5a2+4a+2b)
7x2-(9x2+2x-7)-(5x-3)
4y2-(9x2+y)+(3x2-7y2)
1
(6x2+6xy+—x)+(9x2-xy-5x)
3
24
(—xy+6y2-9)+(x2-—xy+5y2-6)
33
17
(xy+—y+—)-(xy-x-3)
86
(9y-2x-2z2)-(9y-x+2z2)
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- 七年 级数 下册 算题 大全 70