34dm vuông = 3400 m vuông
5290 cm vuông = 5,29 m vuông
4 ha = 40 000 m vuông
3,2 dam vuông = 320 m vuông
0,5 km vuông = 500 000 m vuông
0,15 ha = 1500 m vuông
Viet cac so do sau duoi dang so do co don vi la ki-lo-met vuong
1000ha; 125ha; 12,5ha; 3,2ha
viet cac so do sau duoi dang so do co don vi la met vuong
34dm2 =....................
5290cm2=..............................
4ha=.................
3,2km2=.................................
0,5km2=.............................
0,15 ha=............................
dien ich rung cuc phuong la 22200ha .hay viet so do die tich khu rung do duoi dang so do co don vi la ki - lo met vuong .
Viet cac so do sau duoi dang so do co don vi la m3 :
5cm3; 2306cm3; 0,2cm3; 42dm3; 10,6dm3; 0,9dm3.
viet cac so duoi dang so thap phan
a. co don vi do la kg : 4kg 650g ; 7kg 85g.
b. co don vi do la tan : 3 tan 567kg ; 12tan 27kg.
1)Viet cac so do sau duoi dang phan so thap phan co :
a) Ten don vi la met
57m, 454dm, 6789cm, 3dm 5cm 7mm
2) Viet so thap phan co :
a) Nam muoi lam don vi,nam phan muoi,nam phan tram,nam phan nghin
b) Hai nghin khong tram linh hai don vi,tam phan tram
c) Khong don vi,mot phan nghin
1) Viet cac so do sau duoi dang so thap phan co :
Ten don vi la met
57mm , 454dm , 6789cm , 3dm 5cm 7mm
2) Viet so thap phan co :
a. Nam muoi lam don vi , Nam phan muoi , nam phan tram , nam phan nghin
b. Hai nghin khong tram linh hai don vi , tam phan tram
c. Khong don vi , mot phan nghin
viet cac so do duoi dang so thap phan
a. co don vi do la km : 650m ; 3km 456m ; 7km 35m
b. co don vi do la m : 5m 6dm ; 2m 5cm ; 8m 94mm
Do chieu dai cua mot soi giay duoc 3 m va 27 cm . Hay viet so do do dai cua soi day duoi dang so do don vi la : xang - ti -met ; de - xi met ; met .
LUU Y : CAC BAN PHAI VIET CA BAI GIAI MOI DUOC LIKE
