七年级数学下册整式的加减法计算题 96.docx
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七年级数学下册整式的加减法计算题96
(7m2-3m-5)+(2m-8n-5)
(6x2-2x+3)+3(x2+3x)
-9(x2-4)-6(x2-8)
-(x2y+9xy+2)-5(x2y-6xy-7)
51
(—x2-21x-10y)+(—x2-20x+30y)
44
11
-—(2k3+5k2-8)+—(8k3+9k2-7k)
65
(8m2-6m+1)-(3m+5n-4)
(8x2-5x-9)+8(6x2-9x)
-3(x2+9)+5(x2+6)
-(x2y-9xy+5)+7(x2y+3xy+7)
68
(—x2+10x+18y)+(—x2-12x+15y)
77
11
-—(5k3+9k2+3)-—(3k3-4k2-7k)
62
(7m2+3m+2)+(9m+3n-9)
(3x2+5x-9)+6(4x2-6x)
-6(x2+7)-6(x2-8)
-(x2y+2xy+9)+5(x2y-5xy-3)
97
(—x2+10x+19y)+(—x2-20x-14y)
88
11
-—(8k3-2k2-2)+—(5k3-7k2+2k)
64
(7m2-5m-6)-(2m+5n+4)
(6x2+6x-7)-9(9x2+5x)
-6(x2-3)+6(x2+5)
-(x2y-4xy-5)-7(x2y+3xy+3)
77
(—x2-29x+18y)-(—x2-11x-26y)
88
11
-—(8k3-4k2-5)+—(8k3+8k2+9k)
62
(5m2+7m-4)-(4m+6n+6)
(x2+4x-7)+3(3x2+3x)
-9(x2+3)-2(x2-4)
-(x2y+5xy-8)-7(x2y+3xy+6)
11
(—x2-11x-16y)-(—x2+10x+25y)
33
11
-—(6k3+2k2-3)-—(k3+5k2-9k)
44
(7m2+5m-7)-(5m-n+3)
(9x2+4x+9)+8(5x2-6x)
-8(x2-7)-3(x2+7)
-(x2y+6xy-5)-2(x2y+7xy+4)
17
(—x2+12x-17y)-(—x2+15x+28y)
66
11
-—(8k3+2k2-2)+—(k3-4k2+7k)
23
(m2+m+6)-(4m-2n-7)
(x2-3x+1)-5(6x2+5x)
-5(x2+4)-8(x2-5)
-(x2y+3xy+4)+3(x2y+4xy+9)
61
(—x2-25x-17y)-(—x2+10x+28y)
55
11
-—(2k3-2k2-7)+—(8k3+6k2-7k)
44
(7m2-m-7)+(9m+4n-7)
(7x2-4x-4)+5(5x2+9x)
-6(x2-4)-7(x2+1)