初一数学下册计算题天天练 36.docx
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初一数学下册计算题天天练36
9
(8x2+xy+—x)-(3x2+5xy+4x)
8
18
(—xy+9y2+6)+(x2+—xy-3y2+7)
67
26
(xy+—y-—)-(xy-x-7)
37
(7y+9x-6z2)+(5y+4x-2z2)
(4m2+9m-5)-(2m-2n-1)
(x2-5x+8)+9(x2-6x)
-7(x2-1)-8(x2-2)
-(x2y-2xy+6)-2(x2y-7xy+5)
15
(—x2+28x+15y)-(—x2+17x-18y)
66
11
-—(5k3-2k2-9)-—(k3-6k2-5k)
62
(3k2-8k)-(k2-7k-5)
(7a2+6a+6b)+(2a2+3a+b)
2x2-(8x2+6x+1)-(8x-5)
6y2-(4x2+y)-(2x2+3y2)
1
(5x2-3xy+—x)+(7x2+4xy-9x)
8
15
(—xy+8y2+9)-(x2-—xy+8y2-9)
44
53
(xy-—y-—)+(xy-x+5)
64
(6y+2x-6z2)-(7y-9x-7z2)
(5m2-9m+9)+(6m-3n+8)
(9x2+6x-4)-3(x2-7x)
-3(x2-5)-8(x2-6)
-(x2y+9xy+4)+3(x2y+3xy+8)
71
(—x2+25x-20y)-(—x2-13x+11y)
66
11
-—(3k3+k2+6)-—(7k3+3k2-7k)
45
(3k2+k)-(5k2+8k+9)
(3a2+2a-5b)+(9a2-5a+4b)
5x2+(5x2-5x-5)+(4x+1)
7y2-(8x2+y)-(3x2-y2)
1
(9x2+2xy+—x)+(8x2+4xy-9x)
6
94
(—xy+6y2-7)+(x2-—xy+y2+8)
85
11
(xy+—y-—)-(xy+x-2)
66
(4y+9x+9z2)-(9y+4x+5z2)
(m2-9m+3)-(9m-2n-8)
(8x2-x-1)-5(3x2-4x)
-7(x2-9)+9(x2+4)
-(x2y+8xy+6)+9(x2y-5xy+3)
16
(—x2+20x-15y)+(—x2+19x-27y)
77
11
-—(2k3-5k2+4)+—(7k3+k2+4k)
44
(2k2-4k)-(2k2+7k+8)
(a2+8a-b)+(a2+2a-2b)
3x2+(4x2-x-9)-(x+2)
5y2-(5x2+y)-(7x2-5y2)
1
(5x2+6xy+—x)+(x2-6xy+4x)
6
12
(—xy-2y2-6)-(x2-—xy+9y2+4)
53
54
(xy+—y+—)-(xy+x+4)
45
(6y+5x-7z2)+(9y+7x-8z2)
(9m2-7m+3)-(6m+8n+9)
(x2+8x+1)-5(x2-x)
-9(x2-8)+7(x2-7)
-(x2y-3xy-8)-7(x2y+4xy-6)
61
(—x2-13x+18y)+(—x2+12x-21y)
77
11
-—(5k3+8k2-3)+—(8k3-3k2-6k)
25
(8k2+5k)+(6k2+2k-4)
(5a2+9a-9b)+(3a2-2a-5b)
6x2+(6x2-2x+9)-(4x-8)
3y2-(3x2+y)+(6x2-4y2)
6
(8x2-2xy+—x)+(5x2-xy-3x)
5
61
(—xy-4y2+1)-(x2+—xy+6y2+9)
76
55
(xy+—y+—)+(xy-x-7)
64
(8y+7x+7z2)-(2y+6x-9z2)
(8m2-7m+6)+(3m+8n+2)
(8x2+2x-1)-6(2x2+9x)
-6(x2-9)+5(x2-6)
-(x2y+4xy-6)+2(x2y-7xy-4)
12
(—x2+10x+18y)-(—x2-13x-27y)
33
11
-—(k3+9k2+9)-—(3k3-4k2-5k)
65
(6k2+6k)+(6k2-7k+9)
(4a2-2a-9b)-(5a2-6a+4b)
9x2+(8x2-5x+8)-(8x-6)
9y2+(2x2-y)-(2x2-y2)
1
(8x2+2xy+—x)+(8x2+xy-4x)
8
78
(—xy-y2+5)-(x2-—xy-3y2-6)
67
15
(xy+—y-—)+(xy+x+3)
36
(9y+6x-9z2)-(4y-6x-z2)
(5m2+8m-6)-(6m-n+1)
(x2+5x+1)-6(6x2-8x)
-6(x2+9)+6(x2-5)
-(x2y-6xy-6)-9(x2y-2xy-8)
11
(—x2+28x+18y)-(—x2+14x+26y)
33
11
-—(2k3+8k2+2)+—(7k3-k2+5k)
64
(5k2+6k)-(6k2+3k+1)
(8a2-6a-3b)+(7a2+7a-9b)
x2-(5x2+4x+7)-(x+6)
7y2-(5x2-y)-(6x2-2y2)
1
(5x2-8xy+—x)-(3x2+2xy+7x)
5
55
(—xy-2y2+2)+(x2+—xy+8y2+2)
66
61
(xy+—y+—)+(xy-x+5)
78
(4y-4x-7z2)+(5y-5x+8z2)
(5m2-5m+2)-(6m-2n+1)
(7x2+6x-3)+9(7x2+4x)
-5(x2-4)+2(x2+8)
-(x2y+8xy+9)-7(x2y+9xy-3)
33
(—x2-27x-14y)-(—x2+15x+24y)
44
11
-—(3k3+8k2-5)+—(3k3+3k2-1k)
26
(4k2-6k)-(9k2+9k+6)