Question

Vă rog am nevoie de ajutor vă implor!!!!

Answer 1

a) $( \frac{1}{3} + \frac{5}{6} + \frac{7}{18} ) : 3 \frac{3}{9} = ( \frac{6+ 15 + 7}{18} ) : 3 \frac{3}{9} = \frac{28}{18} : \frac{30}{9} = \frac{28}{18}$ x $\frac{9}{30}$ = $\frac{252}{540} = \frac{7}{15} .$
b) = 187° 35 min 46 sec.