Question

Efectunand calculele de mai jos, vei descoperi
A lungimea totala a Dunarii-15.000 hm + 135.000 dam = km
B lungimea Dunarii pe teritoriul Romaniei - 575.000 m + 500 hm = km
C lungimea bratelor care formeaza Delta Dunarii:
Chilia-80.000 m + 4.000 dam = km
Sulina- 40.000 m + 30 km = km
Sfantul Gheorghe - 680 hm + 4.000 dam = km

Answer 1

15000hm=1500km;135000dam=1350km:1500+1350=2850km
575km+50km=625km
chilia=80km+40km=120km
sulina=40km+30km=70km
sf.gheorghe=68km+40km=108km