Răspuns:
a. 17+73 = 90 grade Da
c. 84grade 15 minute 14 secunde + 5grade 44 minute 46b sec 0 90 grade Da
b. 3 grade 15 minute +87 grade 45 minute = 91 grade Nu
d. va fi 2*30 grade + 30 grade = 90 grade Da
e. idem 2*25grade 40 minute+38grade 40 min = 90 grade Da
f. 2*45 grade = 90 grade Da
g 2*5grade 18 minute + 2*39 grade 41 min 40 sec = 79 grade 33 min 56 sec Nu
Explicație pas cu pas:
