a) 3 dm=30 cm. 30 cm>25 cm --> 3 dm>25 cm
b) 8 dm=80 cm. 80 cm<98 cm --> 8 dm<98 cm
c)5 cm=50 mm. 50 mm>47 mm --> 5 cm>47 mm
d)3 hm=30 dam. 30 dam<36 dam --> 3 hm<36 dam
e)4 km=40 hm. 40 hm>35 hm --> 4 km>35 hm
f)2 km=2000 m. 2000 m>1800 m --> 2 km>1800 m.
Sper că te-am ajutat! :)