Răspuns:
a) 3ore + 15min = 11700s | 11700s + 20s = 11720s
b) 35min = 2100s | 2100s + 50s = 2150s
c) 2008 + 2ore = 63367660800s + 7200s = 63367668000s
d) 5ore - 240min = 18000s - 14400s = 32400s
e) 2,5ore + 30,5min = 9000s + 1830s = 10830s
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Subsemnat, Durnea Alex!