_a__0 + _a__1 . 10 + _a__2 . 10^2 + ... + _a__{_n_-1} . 10^{_n_-1} +
_a__{_n_} . 10^{_n_}
Notes and Queries, Number 204, September 24, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. · 第 121 / 168 题