初二数学不等式
2010-11-28
展开全部
y=2-x/4
2x+2m-mx/4-4=0
8x+8m-mx-16=0
x=(16-8m)/(8-m)=(64-48-8m)/(8-m)=8-48/(8-m)
8-m为+-48,+-24,+-16,+-12,+-8,-6,-4,-2,-1,...-1/n(n属于N+)(3)
{16-8m>0
8-m>0}(1)
{16-8m<0
8-m<0}(2)
(1)解得m<2
(2)解得m>8
和(3)综合有
m为-48,-24,-16,-12,-8,-6,-4,-2,-1,-1/n(n属于N+)并12,16,24,48
2x+2m-mx/4-4=0
8x+8m-mx-16=0
x=(16-8m)/(8-m)=(64-48-8m)/(8-m)=8-48/(8-m)
8-m为+-48,+-24,+-16,+-12,+-8,-6,-4,-2,-1,...-1/n(n属于N+)(3)
{16-8m>0
8-m>0}(1)
{16-8m<0
8-m<0}(2)
(1)解得m<2
(2)解得m>8
和(3)综合有
m为-48,-24,-16,-12,-8,-6,-4,-2,-1,-1/n(n属于N+)并12,16,24,48
2010-11-28
展开全部
m>0
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