1 dm2 50 cm2
4 m2 23 dm2
7 cm2 9mm2
20 dam2 10 m2
45 hm2 67 dam2 40,9 cm2
80 dam2 700 m2
chúc bạn học tốt
150cm2 = 1dm2 50cm2
423dm2 = 4m2 23dm2
709mm2 = 7cm2 9mm2
2010m2 = 20dam2 10m2
4,567409km2 = 456,7409hm2 = 45674,09dam2 = 4567409cm2
8,07ha = 807dam2 = 80700m2
A)150cm2=1dm250cm2
B)423dm2=4m223dm2
C)709mm2=7cm29mm2
D)2010m2=20dam210m2
E)4,567409km2=456,7409hm2=45674,09dam2=4567409m2
F)8,07ha=807dam280700m2