148km-1km+240dam+50dam(?)=148000dam-1000dam+240 dam+50dam=147000dam+290dam=147290dam
sper ca e bine
2600cm+1700mm-15m =260dm+17dm-150dm=277dm-150dm=127dm
sper ca e bine .
372dm²+2,2dam²-0,05hm²=3,72dam²+2,2dam²-5dam²=2,92dam²+5dam²=7,92dam²(nu stiu dacă e bine)