已知k=m-a/n-a(k≠1).则a=
问题描述:
已知k=m-a/n-a(k≠1).则a=
答
kn-ka=m-a
kn-m=ka-a
a= (kn-m)/(k-1)
已知k=m-a/n-a(k≠1).则a=
kn-ka=m-a
kn-m=ka-a
a= (kn-m)/(k-1)