Bài làm
3dam2 = 300 m2 4 dam2 = 400 m2
500m2 = 5 dam2 40 hm2 = 4000dam2
12hm2 6dam2 = 106 dam2 240 m2 = 2 dam2 40 m2
3dam2=300m2 4dam2=400m2
500m2=5m2 40hm2= 4000dam2
12hm2 6dam2=1206dam2 240m2=2dam2 40m2
3 dam2= 100 m2
4 dam2= 400 m2
500 m2= 5 dam2
40 hm2= 4000 dam2
12 hm2 6 dam2= 1206 dam2
240 m2= 2 dam2 40 m2
3dam2 = 300 m2 4 dam2 = 400 m2
500m2 = 5 dam2 40 hm2 = 4000 dam2
12hm2 6dam2 = 106 dam2 240 m2 = 2 dam2 40 m2
hok tốt