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Sabina3
a fost răspuns

transformati in minute:1pe2h:1pe3h:1pe12h:2pe5h:5pe6h:3pe20h

Răspuns :

(1/2)h=(1/2)x60min=60/2=30min
(1/3)h=(1/3)x60min=60/3=20min
1/12h=(1/12)x60min=60/12=5min
(2/5)h=(2/5)x60min=120/5=24min
(5/6)h=(5/6)x60min=300/6=50min
(3/20)h=(3/20)x60min=180/20=9min

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