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a fost răspuns

1.TRANSFORMATI IN SECUNDE:25 minute , 2 h, 3 h 15 min, 55 min, 1 h 12 min, 4 h 50 min
2.transformati in minute: 120 s, 3 h, 600 s, 4200 s, 5 h 6 min,10 h 10 min,

Răspuns :

Dianazsunkuly


25*60secunde=1500secunde

2ore=120minute   120*60=7200secunde

3 ore=180 minute   180*60=10800secunde         15*60=900secunde     10800+900=11700secunde

55*60=3300secunde

1 ora=60 minute   60*60=3600secunde      12 minute=12*60 secunde=720 secunde     3600secunde+720secunde=4320secunde

4 ore=240 minute      240 minute=240*60=14400secunde    50 minute=50*60=3000secunde        14400secunde+300secunde=14700 secunde


Problema 2:      120secunde=2 minute (120:6=2 minute)

3*60=180 minute

600 secunde=600:60=10 minte

4200 secunde=4200:60=70 minute

5 ore=5*60=300minute   300minute+6minute=306minute

10 ore=10*60=600 minute         600minute+10 minute=610 minute

Jeanbaros
 a)25min=1.500secunde
2h=7.200secunde
3h=10.800secunde
15min=900secunde
55min=3.300secunde
1h12min=4.320secunde
4h50min=17.400secunde




b)120secunde =2minute
3h=180minute
600secunde=10minute
4200secunde=70 min
5 ore6min=306minute
10ore10 min610 minute












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