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a)Transformati in secunde:
1/4 min;7/10min;
b)Transformati in minute:
3/4 h;7/12 h;5/6 h;3/10 h;7/30 h....
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Răspuns :

AdrianFlorentin
1/4 min = 15 secunde
7/10 min = 42 secunde

b) 3/4 h = 45 minute
7/12 h = 35 minute
5/6 h = 50 minute
3/10 h = 18 minute
7/30 h = 14 mintue 

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