七年级数学下册计算题30.docx
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七年级数学下册计算题30.docx
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七年级数学下册计算题30
(3k2-3k)-(3k2+2k+8)
(6a2-5a+9b)+(7a2+8a-9b)
x2-(5x2+7x+4)-(9x+3)
7y2+(7x2+y)+(7x2+6y2)
7
(6x2+9xy+—x)-(x2-5xy+4x)
6
11
(—xy-9y2+4)-(x2-—xy+4y2-9)
85
92
(xy+—y-—)-(xy+x+9)
83
(7y+9x+6z2)-(y+8x+5z2)
(k2+k)+(3k2-8k+9)
(a2+2a+2b)-(9a2+4a+4b)
8x2-(9x2+x-9)+(5x-6)
y2+(4x2-y)+(4x2-3y2)
7
(4x2-5xy-—x)+(7x2+9xy+2x)
6
46
(—xy+5y2-1)+(x2-—xy-2y2+4)
35
16
(xy+—y+—)+(xy-x-9)
45
(4y-6x-6z2)+(8y+6x-4z2)
(9k2+3k)-(6k2+4k+3)
(2a2-3a-9b)+(a2+3a+8b)
4x2-(x2+6x+5)-(5x-6)
y2+(5x2-y)-(9x2-2y2)
3
(6x2+8xy+—x)-(5x2+3xy-6x)
4
68
(—xy+4y2-5)-(x2+—xy-y2-7)
57
11
(xy+—y-—)+(xy+x-4)
86
(7y-8x+2z2)-(8y-3x-3z2)
(3k2+8k)+(6k2+8k-1)
(a2-9a+9b)+(9a2+8a-3b)
7x2-(9x2-3x+7)-(2x+5)
4y2-(6x2+y)-(2x2+8y2)
1
(9x2+9xy+—x)-(x2-9xy+8x)
5
59
(—xy-2y2-5)+(x2+—xy+3y2-9)
48
11
(xy+—y-—)+(xy-x+5)
36
(2y-7x+3z2)+(7y-3x+3z2)
(3k2-4k)-(9k2-3k-5)
(6a2+7a+9b)+(4a2+7a+2b)
2x2+(4x2+3x-6)-(4x-3)
3y2+(7x2+y)+(5x2-2y2)
4
(2x2-8xy+—x)+(9x2-6xy+2x)
5
45
(—xy-4y2+1)+(x2+—xy+9y2+8)
56
12
(xy+—y+—)-(xy+x-6)
83
(6y+7x+5z2)-(5y+4x+8z2)
(7k2+3k)+(7k2-3k-7)
(2a2+a+2b)+(4a2+8a+8b)
3x2-(x2-4x-4)-(4x+6)
6y2-(6x2-y)-(8x2-5y2)
5
(6x2+3xy-—x)+(7x2-4xy+3x)
6
76
(—xy-4y2+9)+(x2-—xy+y2+7)
65
51
(xy-—y-—)+(xy-x+3)
47
(y-4x+7z2)-(9y+4x-9z2)
(9k2+7k)-(k2-5k-4)
(3a2+7a-2b)+(4a2-9a+4b)
8x2-(2x2+2x+7)-(7x+3)
4y2+(9x2-y)+(9x2-7y2)
1
(6x2-6xy-—x)-(2x2+5xy+5x)
7
95
(—xy-2y2-8)+(x2-—xy+6y2+9)
84
11
(xy-—y-—)+(xy+x+6)
53
(5y-7x+9z2)+(2y+7x-3z2)
(9k2+3k)+(6k2-6k-2)
(3a2+a-2b)-(9a2+2a-8b)
6x2+(2x2+x-2)-(7x-6)
5y2+(9x2+y)+(7x2+4y2)
5
(4x2-8xy+—x)+(2x2-7xy-6x)
6
96
(—xy-8y2-1)-(x2-—xy-6y2+5)
85
55
(xy+—y-—)-(xy-x+8)
64
(6y+6x+z2)+(3y-5x+z2)
(2k2-9k)-(7k2+2k+6)
(4a2+8a-7b)-(4a2-9a-8b)
x2+(4x2+9x+5)-(2x+6)
2y2-(5x2-y)+(3x2+6y2)
5
(2x2-8xy-—x)+(x2-9xy+9x)
6
16
(—xy+4y2-5)+(x2-—xy+9y2-2)
77
99
(xy-—y+—)-(xy+x-3)
88
(2y-3x-8z2)-(2y+5x-3z2)
(4k2-9k)-(4k2+k-2)
(6a2-3a+7b)+(a2+a+9b)
4x2+(x2+9x+2)+(2x+7)
8y2+(8x2-y)-(x2-2y2)
1
(x2+2xy+—x)-(9x2+7xy-4x)
5
62
(—xy-9y2-6)+(x2-—xy-6y2-6)
73
12
(xy-—y+—)+(xy-x-3)
73
(3y-9x+3z2)-(y-9x+3z2)
(3k2-8k)-(9k2+3k-4)
(2a2-5a+8b)+(7a2+9a+b)
9x2-(9x2-8x+8)-(9x+3)
5y2+(5x2+y)-(8x2-2y2)
1
(3x2-4xy-—x)+(5x2-8xy+9x)
3
41
(—xy+8y2-3)+(x2-—xy+9y2-8)
38
71
(xy-—y-—)-(xy-x+4)
85
(2y-8x-3z2)-(6y-9x+3z2)
(6k2+2k)+(7k2-5k+6)
(2a2-5a+7b)+(6a2-9a-6b)
4x2-(4x2-5x-3)-(x-6)
8y2-(8x2+y)-(5x2+8y2)
8
(7x2-5xy+—x)-(7x2+9xy-2x)
7
11
(—xy-3y2-5)-(x2-—xy-8y2+7)
87
14
(xy-—y-—)-(xy-x+1)
53
(2y+5x-z2)+(6y-7x-5z2)
(5k2+9k)-(5k2-9k-7)
(a2-6a-3b)+(2a2-7a+5b)
7x2-(x2-2x+5)+(8x-5)
8y2+(5x2-y)+(8x2+4y2)
1
(6x2+xy-—x)-(3x2-7xy-x)
3
11
(—xy+5y2-2)+(x2-—xy+4y2-6)
77
74
(xy-—y-—)+(xy+x+7)
83
(7y+7x+5z2)-(7y+4x+6z2)
(5k2-8k)-(4k2+9k-7)
(a2+4a-3b)-(a2-4a+b)
9x2+(x2-9x-8)+(x+4)
9y2-(6x2+y)+(x2+3y2)
6
(9x2-6xy+—x)+(9x2+5xy+7x)
7
89
(—xy-8y2+7)-(x2+—xy-6y2-3)
78
14
(xy+—y+—)+(xy-x+1)
43
(5y-3x-4z2)-(y+5x-6z2)
(4k2-9k)+(4k2-5k+2)
(7a2+5a-5b)-(7a2+a-4b)
8x2+(5x2-3x-9)-(9x+4)
y2+(5x2+y)+(x2-9y2)
9
(6x2+8xy+—x)+(5x2+7xy+3x)
8
74
(—xy+9y2-2)-(x2-—xy-5y2-6)
83
66
(xy-—y-—)-(xy-x-8)
75
(3y-9x-3z2)-(7y-x-3z2)
(3k2-7k)+(9k2+3k+4)
(9a2+4a+7b)-(4a2+7a-5b)
x2+(2x2-2x-1)+(x+7)
6y2-(7x2-y)-(x2+8y2)
4
(5x2+8xy-—x)+(4x2+6xy-8x)
5
85
(—xy-8y2-9)-(x2-—xy-2y2-5)
74
15
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- 七年 级数 下册 算题 30