This may be in Croatian and this might be the question.
How to calculate how much is half of the forth root of 10
$${\frac{{\mathtt{1}}}{{\mathtt{2}}}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{\left({\frac{{\mathtt{1}}}{{\mathtt{4}}}}\right)} = {\mathtt{0.889\: \!139\: \!705\: \!019\: \!461\: \!4}}$$
This may be in Croatian and this might be the question.
How to calculate how much is half of the forth root of 10
$${\frac{{\mathtt{1}}}{{\mathtt{2}}}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{\left({\frac{{\mathtt{1}}}{{\mathtt{4}}}}\right)} = {\mathtt{0.889\: \!139\: \!705\: \!019\: \!461\: \!4}}$$