Skip to content / Đến nội dung
ThichHocToan.com

APMOPS 2015 Question 27

APMOPS · APMOPS 2015

Question 27

Let each of $a,b,c$ represent a digit from 0 to 9 but not necessarily distinct. The recurring decimal $0.\overline{abc}$ can be represented as a fraction in its simplest form. Find the number of different numerators.