Răspuns:
a) 127*3'24"
b) 44*30'15"
Explicație pas cu pas:
a)63*31'42"x2=63*x2+31'x2+42"x2=126*+62'+84"=126*+1*2'+1'24"=127*2'+1'24"=
127*3'24"
133*30'45"/3=133*/3+30'/3+45"/3=(132+1)*/3+10'+15"=132*/3+1*/3+10'+15"
=44*+60'/3+10'+15"=44*+20'+10'+15"=44*30'15"
