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  1. program ideone;
  2. begin
  3. writeln('Вариант 1: ', Sqr(Exp(3 * Ln(2))));
  4. writeln('Вариант 2: ', Exp(6 * Ln(2)));
  5. end.
Success #stdin #stdout 0.02s 4068KB
stdin
Standard input is empty
stdout
Вариант 1:  6.399999999999997e+01
Вариант 2:  6.399999999999998e+01