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0.35 = 1/28 - 1/6 - 1/60 = 7/20 0.35 = int (1/0.35) - int (1/(1 - int(1/0.35))) ...
use strict; use warnings; ... 0.58 0.68 0.78
0.035 7/200 0.037 1/27 ... 0.58 2081/3588 0.68 151/222 0.78 103/132