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Calculati aria unui dreptunghi cu: L=35dm,l=200cm;

Răspuns :

L = 35 dm => L = 350 cm

l = 200 cm

A = 350 × 200

A = 70000 cm²

L=35 dm=350 cm

l=200 cm

A=Lxl=350x200=70.000 cm patrati