Va rog ex 2 plus sau coronița

Răspuns:
a)25 grade
90-25=65 grade
b)75 grade
90-75=15
c)40 grade 25 minute
90-40 grade 25 minute=48grade 35minute
d)54 grade 10 minute 27 secunde
90-54grade 10minute 27secunde=35grade 49minute 43secunde