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REPEDE DAU COROANA :3​

REPEDE DAU COROANA 3 class=

Răspuns :

Răspuns: a)

1m =100cm

0,47m=47cm

47cm+23cm=70cm

Raspuns: b)

1h=60min

1h45min=60min+45min=105min

105min+33min=138min

Raspuns: c)

1kg=1000g

1,6kg=1600g

1600g+800g=2400g

2400g:1000g/kg=2,4kg

Raspuns: d)

1dm patrat = 0,1m patrati

1500dm patrati =1,5m patrati

1,5m patrati + 1m patrat = 2,5 m patrati