Răspuns
Explicație
a)47 grade 24':2=23grade 42'
47:2=23grade rest 1grad
1grad=60'
60'+24':2=82':2=42'
b)125grade 37':2=62grade 48' 60''
125:2=62grade rest 1grad
1grad=60'+37':2=97':2=48' rest 1'
1'=60''
c)19grade:3=6grade 60'
19:3=6grade rest 1 grad
1grad=60'
d)21grade:4=5 grade 60'
21:4=5grade rest 1 grad
1 grad=60'