The lake problem.
There is a large and irregularly shaped lake on your property. It is of varriable and unknown depth. There are no rivers or streams entering or leaving the lake. How would you fid the volume of water in the lake?
(peida) Kas tahad mängida palju erinevaid mänge, aga ei suuda otsustada, millest alata? Liitu juhuslike mängude turniiriga! (pauloaguia) (näita kõiki vihjeid)