七年级数学下册计算题26.docx
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七年级数学下册计算题26.docx
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七年级数学下册计算题26
(7k2-4k)+(k2+2k-4)
(3a2+7a-8b)-(a2-6a-8b)
x2-(7x2-x+9)-(7x-2)
4y2-(5x2-y)+(9x2-2y2)
7
(x2-2xy+—x)-(6x2-2xy-x)
8
15
(—xy+2y2+2)+(x2-—xy-5y2+8)
86
31
(xy+—y+—)-(xy-x+2)
45
(2y+5x-z2)-(4y+8x+4z2)
(k2+8k)+(4k2-4k+2)
(2a2+2a+7b)+(4a2-4a-5b)
x2-(8x2-6x-3)-(x+9)
2y2+(4x2-y)+(5x2-4y2)
5
(9x2-6xy-—x)+(6x2+3xy+5x)
4
51
(—xy+3y2-4)+(x2+—xy-9y2+6)
66
45
(xy-—y+—)-(xy+x+3)
34
(6y-6x-3z2)-(9y+2x-5z2)
(k2-9k)+(7k2-4k-5)
(6a2-8a+3b)+(4a2+3a+8b)
3x2+(x2-2x-7)+(6x-9)
5y2+(8x2+y)-(7x2+6y2)
5
(9x2+3xy-—x)+(4x2+8xy+5x)
6
13
(—xy-4y2+2)-(x2-—xy-6y2-2)
44
17
(xy-—y+—)+(xy+x-5)
68
(4y-8x+2z2)-(3y+9x-z2)
(7k2-4k)+(8k2+9k+7)
(4a2-6a+6b)-(8a2-4a+7b)
x2-(8x2-7x+5)+(8x+6)
4y2+(5x2+y)+(8x2-3y2)
1
(3x2-4xy+—x)+(8x2-4xy-5x)
7
11
(—xy+7y2+4)+(x2-—xy-2y2+5)
55
61
(xy-—y-—)+(xy-x-2)
53
(6y+x+8z2)-(9y+8x+5z2)
(3k2-3k)-(3k2-k-9)
(7a2-a-3b)-(6a2+2a+7b)
4x2-(7x2-5x-7)+(3x+8)
9y2+(9x2+y)-(6x2+4y2)
6
(3x2+9xy-—x)+(6x2-3xy-2x)
7
45
(—xy-8y2+8)-(x2+—xy-7y2+1)
54
44
(xy-—y+—)+(xy-x-6)
55
(2y+3x+5z2)-(3y-8x+z2)
(7k2+7k)+(2k2-5k+8)
(a2+3a-5b)-(3a2-a-2b)
x2-(9x2-4x+6)-(2x+8)
5y2-(5x2+y)+(7x2+y2)
2
(4x2-xy-—x)+(2x2-2xy-3x)
3
11
(—xy+2y2+6)-(x2+—xy-4y2-4)
43
87
(xy+—y-—)+(xy-x-3)
76
(5y-2x-9z2)-(8y+8x-2z2)
(9k2+k)+(k2-9k-3)
(5a2-5a-9b)+(2a2-6a+9b)
3x2+(5x2-2x+9)-(2x-6)
8y2+(5x2+y)-(6x2-8y2)
5
(5x2-6xy-—x)-(9x2-7xy-6x)
6
29
(—xy-5y2+2)-(x2+—xy-y2+7)
38
36
(xy+—y+—)+(xy-x+3)
45
(y+5x-4z2)+(2y+7x-3z2)
(2k2+6k)-(3k2-k+3)
(7a2+a+5b)-(7a2+3a-6b)
7x2+(8x2+7x-9)-(3x-8)
y2-(4x2-y)+(5x2+3y2)
1
(7x2+6xy-—x)-(x2-xy+2x)
6
41
(—xy-4y2+8)-(x2+—xy+7y2+7)
58
16
(xy+—y-—)-(xy+x+2)
55
(3y+9x-3z2)-(2y+2x+z2)
(2k2-5k)-(8k2-7k-4)
(7a2+7a-5b)-(6a2+6a-4b)
6x2+(3x2-2x+1)-(2x+2)
3y2+(5x2-y)-(8x2-3y2)
8
(9x2-xy+—x)+(4x2+8xy-7x)
7
91
(—xy+6y2+6)+(x2+—xy+4y2+5)
85
29
(xy+—y+—)-(xy-x+8)
38
(9y+2x+z2)-(2y+8x-4z2)
(k2+9k)+(7k2-7k-2)
(3a2-5a-b)-(2a2-8a-9b)
5x2+(9x2-3x-8)+(3x+3)
5y2+(6x2+y)-(9x2+4y2)
1
(4x2+9xy-—x)-(9x2-4xy-5x)
6
61
(—xy+3y2-7)+(x2+—xy-4y2-7)
73
71
(xy+—y-—)-(xy-x-2)
67
(4y+4x+4z2)+(8y-4x-5z2)
(5k2+3k)-(8k2-6k+3)
(3a2-8a-7b)-(6a2+a-8b)
x2+(6x2-5x+9)-(2x-7)
3y2+(3x2-y)+(4x2+9y2)
9
(x2-3xy-—x)-(8x2-9xy+2x)
8
81
(—xy-7y2+1)+(x2+—xy-7y2-3)
75
11
(xy+—y+—)+(xy+x+4)
65
(2y-9x+8z2)-(9y+x-6z2)
(5k2-7k)+(9k2-8k-2)
(7a2+5a+3b)-(6a2+8a+6b)
6x2-(2x2+3x-9)-(3x-8)
y2-(x2+y)+(5x2+6y2)
5
(7x2-2xy-—x)-(5x2-5xy-6x)
4
16
(—xy+7y2-4)-(x2+—xy+8y2+5)
57
19
(xy-—y-—)+(xy+x+7)
38
(y-7x-7z2)+(9y-4x+8z2)
(4k2+2k)+(9k2-5k+5)
(5a2+8a+6b)+(8a2-8a-9b)
5x2-(5x2+3x-5)+(6x+2)
8y2-(8x2-y)-(7x2-5y2)
3
(9x2-6xy-—x)+(6x2+4xy-2x)
4
28
(—xy-8y2-8)-(x2+—xy-9y2-9)
37
11
(xy-—y+—)-(xy-x+6)
58
(5y-2x+5z2)+(7y-7x-4z2)
(k2+8k)-(k2+5k-3)
(4a2+4a+4b)+(8a2+7a-3b)
4x2+(9x2+7x+1)+(6x-1)
9y2+(2x2-y)+(8x2+2y2)
1
(6x2-2xy+—x)+(x2+5xy-3x)
6
81
(—xy-8y2+8)+(x2-—xy+y2+9)
73
54
(xy+—y+—)-(xy-x+3)
45
(4y-3x+9z2)+(4y+6x+9z2)
(8k2+8k)-(9k2+5k-4)
(7a2-3a+8b)+(6a2-5a-b)
3x2+(8x2+3x+9)-(5x-3)
6y2+(2x2-y)+(7x2-4y2)
3
(5x2+9xy+—x)-(8x2-4xy+9x)
4
21
(—xy-2y2+4)-(x2+—xy-6y2-8)
37
11
(xy+—y+—)-(xy+x-1)
46
(3y+4x+3z2)+(9y+6x+2z2)
(4k2+7k)+(4k2+6k+8)
(5a2-9a+b)-(3a2-a+5b)
3x2-(3x2+9x-8)+(5x-6)
8y2+(7x2+y)-(4x2-y2)
9
(9x2-3xy+—x)-(4x2-5xy-2x)
8
11
(—xy+y2-9)+(x2+—xy-3y2-9)
34
55
(xy-—y+—)+(xy+x-2)
66
(y-8x-4z2)+(4y-9x+z2)
(4k2-8k)-(4k2+5k-7)
(8a2-6a-9b)-(7a2+4a-b)
7x2+(4x2+6x-9)+(2x-4)
y2+(3x2-y)-(3x2-3y2)
1
(7x2+xy+—x)+(6x2-3xy-6x)
7
42
(—xy-3y2+7)-(x2+—xy+6y2-3)
33
53
(xy+—y+—)+(xy-x-1)
64
(4y-3x+9z2)+(8y-9x+2z2)
(8k2+7k)-(4k2+6k+2)
(5a2-a+7b)-(9a2-7a+9b)
7x2-(3x2+7x-5)+(9x+9)
4y2-(8x2+y)-(6x2-3y2)
6
(4x2-3xy+—x)-(2x2+3xy-5x)
5
65
(—xy+y2-7)-(x2-—xy+6y2-1)
76
46
(xy+—y-—)+(xy+x+7)
57
(7y+8x+z2)-(7y-7x+6z2)
(2k2-k)-(3k2-k-2)
(7a2-7a+5b)+(7a2-5a+9b)
7x2+(4x2-3x+8)-(5x-5)
5y2+(8x2-y)-(5x2+3y2)
5
(3x2-7xy-—x)+(8x2+2xy-6x)
6
79
(—xy-6y2-1)+(x2-—xy+8y2+5)
68
65
(xy+—y+—)-(xy-x-2)
56
(3y+3x+5z2)-(6y-8x+8z2)
(3k2+4k)-(3k2+5k+7)
(a2-6a+2b)+(5a2+3a-3b)
4x2+(7x2-4x-5)+(4x-6)
5y2-(7x2-y)-(2x2-6y2)
7
(7x2+8xy-—x)+(2x2-4xy+8x)
6
33
(—xy-9y2-1)+(x2+—xy-8y2-5)
44
45
(xy-—y+—)-(xy+x+8)
34
(2y+4x-z2)+(2y+8x+2z2)
(5k2-k)-(2k2+7k-2)
(3a2+a-5b)-(4a2+7a+7b)
6x2+(9x2+2x-7)-(4x+1)
5y2+(2x2-y)+(5x2+2y2)
1
(2x2-3xy+—x)-(4x2+5xy+7x)
5
91
(—xy-3y2+8)+(x2-—xy-6y2+3)
87
77
(xy+—y+—)-(xy-x+8)
86
(2y+8x-7z2)+(9y+3x+2z2)
(5k2-9k)-(9k2+8k-9)
(8a2+8a+b)-(9a2+a-2b)
3x2+(3x2+6x-2)+(9x-1)
5y2-(8x2-y)-(8x2-8y2)
1
(9x2-6xy-—x)-(4x2-3xy+8x)
4
41
(—xy+6y2-3)+(x2-—xy+6y2-5)
36
23
(xy-—y+—)-(xy-x+3)
34
(3y-6x+8z2)-(5y-5x+5z2)
(k2-3k)+(8k2+6k-6)
(7a2+4a+6b)+(8a2+5a+9b)
7x2+(9x2+3x+3)-(7x+9)
y2-(6x2+y)+(4x2-9y2)
4
(9x2-6xy-—x)+(8x2+5xy+3x)
5
49
(—xy-8y2+2)-(x2+—xy-3y2+2)
38
18
(xy+—y+—)-(xy-x-6)
47
(2y-8x+4z2)+(7y+x-8z2)
(7k2-3k)-(8k2+k+7)
(a2+9a+5b)+(5a2-a-8b)
5x2-(5x2+8x+1)+(5x-1)
6y2+(9x2-y)+(x2+4y2)
3
(8x2-5xy+—x)+(6x2+6xy+7x)
4
58
(—xy-3y2-5)+(x2-—xy-4y2+9)
47
87
(xy+—y+—)+(xy+x-4)
76
(2y-4x-7z2)-(6y+3x+7z2)
(9k2+7k)-(2k2-6k+9)
(6a2+3a+9b)+(4a2+8a+5b)
8x2-(2x2-5x+9)-(7x-6)
5y2-(3x2+y)+(3x2+5y2)
3
(3x2+9xy-—x)-(3x2-2xy-6x)
4
54
(—xy-5y2+8)+(x2+—xy+3y2+4)
63
11
(xy+—y+—)+(xy-x-3)
58
(7y+7x+5z2)+(4y-9x-3z2)
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