Ex.12..53km=53000m
1300m=1,3km
23dam=23000cm
4300cm=4,3dam
102hm=1020dam
720dam=720000cm
7km=700000cm
540000cm=5,4km
13m=13000mm
75000mm=7500cm
213cm=21,3cm
7190mm=719cm
Ex.13..0,7dam=7m
150dm=15m
1/4hm(am facut impartirea eu 1÷4=0,25hm)0,25hm=25m
3500mm=3,5m
0,23km=230m
1/25km(1÷25=0.04)0,04km=400m
3,4cm=0.034m
3/8km(3÷8=0.375km)0,375km=375m
Ex.14..4,5dam+370dm=45m+37m= 82m
1200cm+3,5m+0,25hm=1,2dam+0,35dam+2,5dam=4,05dam
1/2m+3/5dm+1/25dam=0,5m+0,6dm+0,04dam=50cm+6cm+400cm=456 cm
0,25km-1/25hm+1/5dam=2,5km-0,04hm+0,2dam=2500m-4m+2m=2480m
incearca sa le faci tu pe celelalte ca in modele ca eu m am plictisit si daca nu stii incerc sa te ajut sa le termini!
