七年级数学下册计算题大全87.docx
《七年级数学下册计算题大全87.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87.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87
(8k2+2k)+(6k2-2k+7)
(3a2+4a-7b)+(8a2-4a+5b)
8x2+(6x2+8x-4)+(7x+3)
3y2+(4x2-y)-(5x2-8y2)
1
(6x2-3xy+—x)-(2x2+3xy+8x)
7
71
(—xy-7y2+5)+(x2+—xy-y2+7)
83
41
(xy-—y+—)+(xy+x-5)
57
(y-5x-7z2)-(5y-9x+9z2)
(2k2+4k)+(k2+6k-2)
(5a2+7a+b)+(9a2+5a+5b)
9x2+(9x2-4x-9)-(5x-3)
3y2-(6x2+y)-(x2-3y2)
1
(2x2+3xy+—x)+(6x2+5xy+6x)
4
61
(—xy-4y2-7)-(x2-—xy-3y2-1)
57
22
(xy-—y+—)+(xy-x+5)
33
(6y-4x-6z2)-(5y+4x+9z2)
(6k2+7k)+(8k2-7k+7)
(8a2+3a-9b)-(9a2-4a+2b)
x2+(6x2+9x+3)-(4x-5)
6y2+(6x2-y)+(7x2+2y2)
1
(x2-8xy-—x)+(5x2-5xy-3x)
5
11
(—xy+3y2+4)+(x2+—xy-8y2+2)
34
34
(xy-—y-—)-(xy-x+8)
45
(y-8x+5z2)-(3y+x-3z2)
(7k2-2k)+(3k2-3k+6)
(8a2+a-5b)+(a2-a-4b)
6x2-(8x2+5x-3)-(6x-6)
4y2+(x2-y)-(2x2-5y2)
5
(6x2+2xy+—x)-(8x2-7xy-6x)
4
11
(—xy+6y2-1)-(x2-—xy-y2-3)
67
65
(xy-—y-—)+(xy+x+8)
54
(5y-6x+3z2)-(2y+8x+7z2)
(8k2-8k)-(k2-5k+3)
(9a2-9a-7b)+(8a2+9a-2b)
x2+(2x2+3x-7)-(2x+4)
4y2-(x2+y)+(3x2+4y2)
6
(3x2-2xy-—x)+(2x2+xy+3x)
5
17
(—xy-4y2+8)-(x2+—xy-9y2-1)
76
18
(xy+—y-—)+(xy-x-8)
87
(9y-7x+2z2)-(6y+5x-2z2)
(4k2+k)-(2k2-8k+9)
(9a2+3a+7b)+(a2-8a-9b)
6x2+(2x2+4x-2)-(7x+6)
5y2+(2x2+y)-(3x2+6y2)
1
(3x2+6xy+—x)-(5x2-3xy+6x)
5
77
(—xy+4y2-7)-(x2-—xy-y2-4)
86
37
(xy-—y+—)+(xy-x+1)
48
(9y+8x+8z2)-(6y+9x-8z2)
(7k2+5k)+(9k2-3k-3)
(8a2+9a-8b)+(a2-5a-8b)
7x2-(8x2-8x+6)-(7x-3)
8y2-(4x2-y)-(2x2+y2)
6
(x2+4xy+—x)-(5x2+9xy+3x)
5
12
(—xy-2y2-7)-(x2+—xy+3y2-4)
33
84
(xy-—y-—)-(xy-x-8)
75
(5y+5x-z2)-(8y-2x+3z2)
(5k2+4k)-(k2+7k-7)
(6a2+3a+2b)+(9a2-9a-9b)
2x2+(4x2-8x+2)-(5x-8)
9y2+(3x2+y)+(6x2+2y2)
4
(6x2-3xy-—x)-(7x2-2xy-2x)
3
57
(—xy-5y2+9)+(x2-—xy+y2-4)
46
11
(xy-—y-—)+(xy-x+5)
87
(8y-9x-8z2)-(6y-6x-z2)
(2k2+6k)-(8k2-8k+1)
(4a2-2a+4b)-(2a2+9a+6b)
4x2+(2x2+9x-6)+(5x-9)
9y2+(4x2-y)-(2x2+8y2)
4
(8x2+3xy-—x)-(2x2+3xy-x)
3
19
(—xy-2y2+6)+(x2-—xy+5y2+2)
38
52
(xy-—y-—)-(xy-x-3)
43
(6y+7x+z2)+(9y+9x+9z2)
(k2+5k)+(3k2-6k+5)
(8a2+6a+6b)+(4a2-9a-9b)
4x2+(3x2+6x-3)-(2x-8)
6y2+(7x2+y)-(4x2-7y2)
9
(4x2+6xy+—x)+(7x2+4xy+9x)
8
44
(—xy+9y2-2)-(x2+—xy+2y2-4)
55
11
(xy+—y-—)+(xy-x-1)
33
(3y+7x+4z2)+(7y-2x+8z2)
(k2-6k)-(7k2+k+7)
(3a2+7a-5b)-(4a2-9a+9b)
9x2-(7x2-4x-6)-(4x+4)
2y2+(3x2+y)-(5x2-2y2)
6
(3x2+8xy+—x)+(5x2-2xy+4x)
5
11
(—xy+4y2+9)-(x2+—xy-y2-3)
84
11
(xy+—y-—)-(xy+x+6)
56
(7y+x+4z2)+(2y+5x-2z2)
(8k2+8k)-(k2-6k-3)
(a2-9a-7b)-(7a2-a+b)
9x2-(3x2-7x+1)+(2x-3)
4y2-(4x2+y)-(4x2+2y2)
7
(4x2-3xy+—x)+(6x2-3xy+4x)
8
15
(—xy+y2+3)-(x2-—xy-4y2-8)
86
17
(xy+—y+—)-(xy+x-1)
46
(9y-2x-6z2)-(8y+7x-7z2)
(9k2-6k)-(7k2-8k+4)
(8a2-3a+3b)-(a2+6a+b)
8x2+(8x2-8x+9)+(8x-7)
5y2+(4x2+y)+(7x2-7y2)