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calculati :a)200m patrati +1kmpatrat+30hmpatrati=?mpatrati

Răspuns :

a)200m^2+1km^2+30hm^2=
200m^2+1000m^2+100m^2=1300m^2
1k²=1000000 m²
30hm²=300000 m²



200m²+1000000m²+300000m²=1300200 m²