m,n是正整数,在1,2...,2013中存在几个数可以表示成(nm-1)/(m-n)的形式?if m and n are positive integers,how many integers among 1,2,3,.,2013 can be represented by (mn-1)/(m-n)?

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m,n是正整数,在1,2...,2013中存在几个数可以表示成(nm-1)/(m-n)的形式?ifmandnarepositiveintegers,howmanyintegersamong1,2,3,

m,n是正整数,在1,2...,2013中存在几个数可以表示成(nm-1)/(m-n)的形式?if m and n are positive integers,how many integers among 1,2,3,.,2013 can be represented by (mn-1)/(m-n)?
m,n是正整数,在1,2...,2013中存在几个数可以表示成(nm-1)/(m-n)的形式?
if m and n are positive integers,how many integers among 1,2,3,.,2013 can be represented by (mn-1)/(m-n)?

m,n是正整数,在1,2...,2013中存在几个数可以表示成(nm-1)/(m-n)的形式?if m and n are positive integers,how many integers among 1,2,3,.,2013 can be represented by (mn-1)/(m-n)?
2012个.
除2以外的数均可以.
当k≠2时,取m=k²-k-1,n=k-1(k=1,3,4,5,6,...2013)
则(mn-1)/(m-n)=(k³-2k²)/(k²-2k)=k
所以there are 2012 integers among 1,2,3,.,2013 can be represented by (mn-1)/(m-n)?

做任务的 无能为力飘过