Question

Calculeaza: a) 5 h 10 min+3 h 50 min,9 min 5 s+11 min 55s,b)10h 50 min- 4 h,23h 15 min - 3 h 15 min,c) 5 h 30 min-4 h 45 min,72 h + 5 zile= ? zile (Dau coronita )

Answer 1

a.5*60+10+180+50=540, 9*60+5+660=1260
b.10*60+50-240=410, 23*60+15-180+15=1200
c.5*60+30-285=45,72/24+5=8 zile