230 dm2= 2,3m2
64m2=0,64dam2
13ha = 0,13 km
1hm2 800m2= 1,08 hm2
14m2 250cm2= 14,025m2
15m2 20 cm2 = 15,002m2
chúc bn học giỏi đúng k mình nha
230dm2=2,30m2 hay 2,3m2 64m2=0,64dam2 13ha=0,13km2 1hm2 1hm2 800m2=1,08hm2
14m2 250cm2=14,025m2
15m2 20cm2=15,002
ok ............................... gà hiiiiiii