Răspuns:
1.
a) 36°42'16"+28°15'46"=64°57'62"=64°57'2'60"
=64°60'
b) 72°28'162"-56°15'11"=16°13'151"=16°13'60'60'31"
=60°15'31"
c)50°-24°15'28"=26°15'28"
d)180°-36°47'23"=144°47'23"
e) 180°-47'19"=
f) 90°-36'24"=
scz atâta știu... Spor!! :)
