七年级数学下册计算题大全257.docx
《七年级数学下册计算题大全257.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257.docx(14页珍藏版)》请在冰豆网上搜索。
七年级数学下册计算题大全257
(3k2-3k)+(k2-k-6)
(6a2+a-8b)+(8a2-3a-2b)
3x2-(8x2+9x+3)-(5x+4)
6y2+(8x2+y)+(x2-7y2)
4
(3x2-6xy+—x)-(3x2-8xy+2x)
3
63
(—xy-8y2+1)+(x2+—xy+8y2-5)
54
53
(xy-—y-—)-(xy-x+8)
64
(6y+7x+5z2)-(6y+2x-7z2)
(k2+k)+(7k2-9k+6)
(3a2+a-6b)-(3a2-4a-3b)
2x2+(3x2-2x+4)-(3x-1)
2y2+(x2+y)-(5x2+9y2)
1
(9x2-5xy-—x)+(x2+9xy-5x)
3
97
(—xy+4y2-1)+(x2-—xy-3y2-3)
88
31
(xy-—y+—)+(xy+x-3)
46
(2y-9x-5z2)-(4y-4x+5z2)
(5k2-7k)-(8k2-7k+5)
(3a2-4a-5b)-(7a2+3a+5b)
7x2-(8x2+7x+2)-(6x+8)
8y2+(4x2+y)+(2x2-y2)
7
(x2-2xy-—x)+(5x2+xy-7x)
6
11
(—xy+6y2+1)-(x2+—xy+7y2+5)
78
12
(xy-—y+—)+(xy-x-9)
83
(5y+7x+6z2)-(7y-8x+3z2)
(2k2-2k)-(5k2+2k-3)
(9a2-6a+b)+(a2-9a+5b)
x2+(7x2-6x+6)+(9x+8)
7y2+(2x2-y)-(3x2-4y2)
4
(4x2-9xy-—x)+(6x2+xy-3x)
5
11
(—xy+5y2+4)-(x2+—xy-2y2+5)
45
98
(xy+—y+—)-(xy+x+4)
87
(8y-5x-4z2)+(6y-x-3z2)
(3k2+7k)-(8k2+4k+3)
(2a2-3a-4b)-(6a2+5a+3b)
4x2+(3x2+8x+4)-(2x+2)
7y2+(6x2+y)+(4x2-4y2)
1
(8x2-3xy+—x)+(5x2-2xy-7x)
6
91
(—xy-2y2+7)+(x2-—xy-y2-9)
83
11
(xy-—y+—)+(xy+x+1)
37
(9y+7x-2z2)+(7y+9x+5z2)
(3k2-8k)+(6k2-7k-9)
(3a2+2a+5b)+(5a2-a-3b)
2x2-(3x2+2x+3)+(2x-9)
y2+(9x2-y)-(5x2-9y2)
1
(9x2+2xy-—x)+(5x2-7xy-7x)
8
11
(—xy-5y2+5)+(x2+—xy-y2+9)
57
95
(xy+—y+—)-(xy+x-1)
86
(8y+3x+5z2)-(5y+x-8z2)
(8k2-9k)+(3k2+5k-8)
(8a2-2a-3b)+(6a2+4a+8b)
6x2+(4x2+8x-3)-(2x-8)
6y2-(7x2-y)+(8x2+5y2)
5
(7x2+6xy-—x)-(x2-6xy+x)
4
31
(—xy+7y2-1)+(x2+—xy-6y2-6)
43
69
(xy+—y-—)+(xy+x+8)
78
(3y+6x+2z2)+(3y-5x-4z2)
(7k2+7k)+(5k2-3k-2)
(3a2+6a+4b)-(9a2-a+b)
2x2+(4x2-3x+7)+(2x-4)
7y2-(4x2-y)+(6x2-2y2)
6
(2x2-2xy+—x)-(7x2+8xy+5x)
5
61
(—xy-5y2-7)+(x2+—xy-6y2+9)
56
71
(xy+—y+—)+(xy-x-2)
83
(9y-5x-z2)+(2y+9x-4z2)
(2k2+3k)-(7k2-2k+4)
(9a2-2a+7b)+(9a2-7a+5b)
x2+(9x2+9x+5)-(x+1)
y2+(4x2-y)+(2x2-7y2)
9
(6x2+7xy-—x)+(9x2+8xy+4x)
8
66
(—xy+7y2+7)-(x2+—xy-3y2-9)
77
41
(xy-—y+—)+(xy-x-6)
54
(4y+2x+8z2)-(3y+5x+4z2)
(k2+7k)-(6k2-9k+6)
(5a2+2a-9b)+(7a2-8a-2b)
2x2-(x2+2x+4)-(5x-8)
7y2-(4x2+y)+(7x2+4y2)
2
(4x2-3xy-—x)+(2x2+2xy+8x)
3
84
(—xy+3y2-2)-(x2-—xy-2y2+2)
73
41
(xy-—y-—)-(xy-x+8)
53
(2y+6x+7z2)+(2y-2x-8z2)
(4k2+8k)-(9k2-9k-4)
(3a2-3a+b)+(a2-6a+5b)
2x2-(3x2+7x-2)+(x+8)
y2-(x2-y)+(6x2-6y2)
2
(8x2+5xy+—x)-(4x2+5xy-2x)
3
13
(—xy-3y2+8)+(x2+—xy+8y2+8)
64
71
(xy-—y+—)+(xy-x-7)
67
(4y-4x-4z2)-(7y-2x-4z2)
(8k2-8k)-(2k2+k+4)
(a2+6a+4b)+(4a2-3a+9b)
3x2-(2x2-9x+1)-(5x-9)
5y2+(6x2-y)+(6x2+5y2)
1
(9x2+4xy-—x)+(5x2+7xy+x)
3
78
(—xy-y2-1)+(x2-—xy+3y2+9)
67
18
(xy+—y+—)-(xy-x-2)
47
(3y-6x-4z2)+(5y-3x-4z2)
(9k2+8k)-(7k2-8k-7)
(5a2-7a+2b)-(9a2-5a+7b)
3x2-(7x2-6x-1)+(7x+8)
4y2-(x2+y)-(7x2-7y2)