七年级数学下册计算题大全124.docx
《七年级数学下册计算题大全124.docx》由会员分享,可在线阅读,更多相关《七年级数学下册计算题大全124.docx(16页珍藏版)》请在冰豆网上搜索。
七年级数学下册计算题大全124
8
(8x2-9xy+—x)-(x2+7xy+6x)
7
14
(—xy-y2+8)-(x2+—xy+7y2-2)
73
24
(xy-—y-—)+(xy+x-7)
35
(3y+9x+7z2)+(9y-8x+9z2)
(8k2-6k)+(9k2-k-1)
(6a2+3a+8b)+(3a2+9a-3b)
6x2-(7x2+2x+2)+(9x+8)
4y2+(4x2+y)+(6x2+5y2)
1
(x2-3xy-—x)-(7x2+xy-2x)
7
49
(—xy+y2+4)+(x2+—xy+y2-1)
58
91
(xy-—y+—)+(xy-x-3)
88
(2y-4x-z2)-(5y+9x-5z2)
(2k2-4k)-(5k2-7k-5)
(8a2-7a+b)+(4a2-9a-7b)
5x2-(5x2-6x+5)-(5x+3)
7y2-(5x2+y)+(4x2+y2)
1
(7x2+2xy+—x)+(8x2+2xy+5x)
7
17
(—xy+2y2+1)-(x2+—xy+3y2+6)
48
18
(xy-—y-—)-(xy-x+6)
57
(8y-6x-7z2)+(8y-6x-4z2)
(2k2+4k)+(8k2+5k-1)
(7a2-5a-7b)+(3a2-2a+4b)
5x2+(3x2-4x-9)+(8x+8)
2y2-(4x2+y)+(3x2+5y2)
1
(4x2-2xy+—x)+(4x2-5xy-x)
6
12
(—xy+9y2-3)-(x2+—xy-5y2-3)
63
85
(xy+—y+—)+(xy+x-6)
74
(8y-x-8z2)-(9y-x-7z2)
(2k2-8k)+(5k2-8k+6)
(7a2+9a-2b)+(9a2+7a+9b)
9x2-(x2-2x+4)-(3x-6)
9y2+(3x2+y)+(6x2+2y2)
4
(3x2+3xy+—x)-(7x2-4xy+3x)
5
53
(—xy-y2+6)+(x2-—xy-9y2+7)
64
11
(xy-—y-—)+(xy-x+8)
66
(3y-4x-5z2)+(3y+5x-9z2)
(4k2+2k)-(k2+2k+7)
(5a2-3a+9b)+(7a2-3a-b)
4x2+(7x2+3x+6)+(5x-2)
5y2-(6x2+y)-(4x2+3y2)
1
(5x2+9xy+—x)-(4x2-7xy+9x)
4
44
(—xy-2y2+6)-(x2-—xy-3y2+9)
53
88
(xy-—y+—)-(xy+x-4)
77
(8y+3x+8z2)-(5y+2x-7z2)
(3k2+9k)+(8k2+6k-4)
(9a2+a+2b)+(3a2-7a-4b)
7x2+(4x2-4x-4)-(4x+3)
8y2+(4x2+y)+(5x2+8y2)
1
(6x2+6xy+—x)+(5x2+3xy+5x)
3
11
(—xy+5y2+1)-(x2+—xy-7y2+9)
55
11
(xy-—y+—)-(xy+x-4)
46
(2y+3x-3z2)-(2y-x+3z2)
(7k2+6k)-(9k2-8k-3)
(7a2+9a-9b)+(8a2+5a-6b)
8x2-(6x2+3x-8)-(8x+6)
4y2+(4x2-y)+(3x2+6y2)
3
(x2+4xy-—x)+(2x2-6xy+2x)
4
11
(—xy+y2+7)+(x2+—xy+5y2+1)
74
66
(xy+—y+—)-(xy-x-2)
55
(5y-3x-4z2)+(8y-9x-4z2)
(8k2+4k)+(9k2-k+8)
(a2+4a+8b)-(a2-6a+6b)
2x2+(3x2+4x+5)+(x-6)
2y2-(3x2+y)+(5x2-4y2)
1
(4x2+5xy-—x)-(3x2+2xy+4x)
4
15
(—xy-7y2-6)-(x2+—xy+y2+4)
84
18
(xy+—y-—)-(xy-x-2)
67
(8y+8x+7z2)+(2y+7x-4z2)
(6k2+2k)+(k2-7k+3)
(8a2+3a-7b)-(8a2-5a+6b)
7x2-(3x2+3x-1)-(7x+5)
4y2-(7x2+y)+(4x2+3y2)
7
(3x2+8xy-—x)+(6x2+2xy-2x)
8
65
(—xy+5y2-2)+(x2-—xy+2y2-1)
76
31
(xy+—y+—)-(xy-x-5)
45
(4y+x-2z2)+(5y-2x+5z2)
(8k2+k)+(3k2+2k+6)
(5a2+4a-5b)+(9a2-3a+2b)
x2-(9x2-3x+1)-(5x-3)
9y2-(5x2+y)+(8x2-5y2)
6
(4x2+6xy+—x)+(4x2-4xy+2x)
5
71
(—xy-9y2-2)+(x2+—xy-8y2-2)
65
66
(xy+—y-—)-(xy-x-7)
77
(5y+4x+4z2)+(4y+9x+z2)
(4k2-4k)+(7k2+6k+1)
(2a2+9a+9b)-(4a2+2a-9b)
6x2-(5x2-5x-6)-(7x-3)
7y2-(x2+y)-(2x2-4y2)
4
(3x2-xy-—x)+(7x2-8xy+7x)
5
67
(—xy+3y2+1)+(x2-—xy-2y2-9)
56
15
(xy+—y-—)+(xy-x+7)
36
(6y-4x-9z2)+(y-8x-z2)
(6k2+k)+(k2+k+5)
(5a2-4a+4b)-(7a2+2a+4b)
5x2+(3x2-9x-4)+(5x-4)
3y2+(5x2+y)-(7x2-8y2)
1
(4x2-6xy-—x)-(3x2-5xy-2x)
6
14
(—xy-9y2+3)+(x2+—xy-2y2+3)
85
64
(xy-—y-—)-(xy-x+2)
55
(4y+3x+4z2)+(y+4x-9z2)