Задание
Чему равна сумма углов: \( 3^{\circ}57^{\prime \prime}+39^{\circ}59^{\prime}2^{\prime \prime}\)?
\( 42^{\circ}57^{\prime}59^{\prime \prime}\)
\( 43^{\circ}59^{\prime}59^{\prime \prime}\)
\( 42^{\circ}59^{\prime}59^{\prime \prime}\)
\( 42^{\circ}59^{\prime}57^{\prime \prime}\)