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Calculati in m patrati aria unui dreptunghi cu dimensiunile :
a)3m si 14m c)300m si 142dam e) 41 m si 0,13 hm
b)13dm si 300cm d)0,15km si 0,7 hm f)123mm si12 cm
Urgent am nevoie!!!!!


Răspuns :

a)A=L.l=14.3=42m^2
c)A=300.1420=426000m^2
e)A=41.13=533m^2
b)A=1,3.3=3,9m^2
d)A=150.70=10500m^2
f)A=0,123.0,12=0,01476m^2