七年级数学下册计算题大全143.docx
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七年级数学下册计算题大全143.docx
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七年级数学下册计算题大全143
(6k2-9k)-(9k2-6k-4)
(9a2-8a-5b)+(a2-8a-b)
8x2-(3x2+8x+1)-(7x+4)
2y2+(6x2+y)-(8x2-7y2)
1
(3x2+xy+—x)-(7x2+3xy-x)
8
19
(—xy-3y2+9)-(x2+—xy+9y2-2)
38
11
(xy+—y-—)+(xy+x-9)
64
(2y-2x-z2)-(8y-4x-7z2)
(3k2-2k)+(7k2+3k-2)
(8a2+8a+b)-(8a2+a+2b)
x2+(7x2-5x+3)-(2x+8)
4y2+(2x2+y)+(x2-3y2)
7
(6x2-xy-—x)+(8x2-5xy+8x)
8
91
(—xy-7y2+7)+(x2-—xy-6y2+8)
86
11
(xy+—y-—)+(xy+x+8)
86
(6y+7x+2z2)-(5y+4x+z2)
(k2+k)+(8k2-4k+7)
(4a2+5a-3b)-(5a2-7a+8b)
7x2-(2x2+6x-1)-(9x-3)
5y2+(2x2-y)+(5x2+8y2)
4
(9x2-7xy+—x)+(7x2+3xy-2x)
3
51
(—xy-7y2-6)+(x2+—xy-2y2+6)
48
32
(xy+—y+—)-(xy+x+3)
43
(7y+7x-5z2)+(8y-5x-6z2)
(3k2-6k)-(4k2-8k+6)
(a2-6a-7b)+(8a2+6a-2b)
x2-(7x2+8x+3)-(x-4)
8y2+(5x2-y)-(4x2+y2)
3
(x2+5xy-—x)-(6x2-7xy-7x)
4
12
(—xy-5y2-6)-(x2-—xy+8y2+6)
43
31
(xy+—y+—)-(xy+x+4)
46
(6y+4x+9z2)-(3y+9x-z2)
(8k2-3k)+(4k2+8k+2)
(8a2-a+2b)-(6a2+2a-b)
6x2-(9x2+3x-6)-(4x-4)
2y2-(6x2-y)-(8x2-6y2)
1
(4x2-3xy+—x)+(7x2-5xy-x)
8
15
(—xy-9y2-2)+(x2-—xy+8y2+6)
64
17
(xy-—y-—)-(xy-x-2)
88
(2y+4x-9z2)+(4y-x+2z2)
(6k2+3k)+(4k2+5k+4)
(4a2+3a-9b)+(8a2-5a-6b)
5x2-(8x2+5x-5)+(3x+1)
9y2-(x2+y)-(x2+4y2)
5
(2x2+5xy+—x)+(2x2-7xy-9x)
6
19
(—xy-6y2-3)+(x2-—xy-9y2+2)
78
65
(xy+—y-—)+(xy+x-2)
54
(2y-3x+4z2)-(5y-6x-3z2)
(9k2+5k)+(3k2+9k-9)
(8a2-6a+8b)-(5a2-8a+9b)
2x2+(4x2-5x+1)-(7x-6)
4y2+(9x2-y)-(4x2-9y2)
1
(5x2-5xy-—x)+(3x2+7xy+x)
7
84
(—xy-6y2-9)+(x2+—xy-7y2-4)
73
15
(xy+—y-—)-(xy+x+4)
36
(6y+5x-8z2)-(8y+7x-7z2)
(4k2+3k)+(6k2+4k+9)
(a2-3a-2b)-(4a2-6a-5b)
7x2+(4x2+8x-8)-(4x+4)
2y2-(8x2-y)+(9x2-4y2)
5
(4x2+3xy-—x)+(8x2+9xy-2x)
6
11
(—xy-y2+3)+(x2-—xy+y2-1)
47
19
(xy+—y-—)-(xy+x-3)
68
(y-8x-5z2)-(4y+2x-6z2)
(6k2-2k)-(8k2+2k+2)
(3a2+9a-b)+(5a2+7a-9b)
7x2-(6x2-7x+8)+(x+4)
y2+(6x2+y)+(9x2-7y2)
4
(2x2-8xy-—x)-(9x2+3xy-x)
5
66
(—xy+2y2+2)-(x2-—xy-9y2-1)
75
17
(xy-—y-—)-(xy-x+9)
46
(7y+3x-6z2)-(8y+7x-4z2)
(4k2+4k)-(7k2+3k-9)
(2a2-8a-8b)+(4a2+9a-8b)
3x2+(9x2-8x-9)+(5x-1)
9y2+(8x2-y)-(6x2+2y2)
1
(3x2-6xy+—x)-(6x2-6xy+7x)
4
41
(—xy+2y2-9)+(x2-—xy+4y2+1)
34
71
(xy+—y-—)-(xy+x-4)
64
(8y-9x-3z2)+(5y+5x-7z2)
(k2-k)-(8k2+9k-2)
(2a2+a+2b)+(7a2+a+b)
9x2-(2x2+4x-3)-(5x+1)
2y2-(5x2+y)-(5x2+3y2)
7
(x2+8xy-—x)-(4x2-8xy-6x)
6
14
(—xy+8y2+3)-(x2-—xy+y2-3)
45
87
(xy-—y+—)-(xy-x-6)
76
(y+5x-7z2)-(y-5x-7z2)
(k2+k)+(4k2-5k+9)
(4a2-4a+5b)+(8a2-3a-6b)
x2-(5x2-9x-8)-(3x-5)
3y2+(5x2-y)-(2x2-y2)
1
(5x2-xy-—x)+(8x2-7xy-8x)
5
16
(—xy+3y2-6)+(x2-—xy+y2+9)
85
18
(xy-—y-—)-(xy-x+2)
87
(5y-x+8z2)-(4y+x+5z2)
(k2-3k)-(9k2-5k+2)
(6a2-8a-5b)-(2a2-8a+b)
4x2-(5x2-7x-8)-(5x-6)
6y2+(5x2+y)-(3x2+5y2)
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- 七年 级数 下册 算题 大全 143
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