20,45 m3 = 20 450 000 cm3
570 000 cm3 = 570 dm3
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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
do chieu dai cua mot soi day duoc 3m va 27cm hay viet so do do dai cua soi day co dang don vi la ;xang ti met ;de xi met ;met
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 sau duoi dang so thap phan co don vi do la de xi met khoi
72780cmkhoi dmkhoi
40, 1527mkhoi dmkhoi
14,03cmkhoi dmkhoi
3dmkhoi 25cmkhoi dmkhoi
12mkhoi 68cmkhoi dmkhoi
10,0899mkhoi dmkhoi
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=............................
viet cac so sau duoi dang so thap phan co don vi do la met khoi
34dmkhoi 321dmkhoi mkhoi
5200cmkhoi mkhoi
4mkhoi 25dmkhoi mkhoi
530,2dmkhoi mkhoi
2700dmkhoi mkhoi
1mkhoi 1500cmkhoi mkhoi
viet cac so do sau duoi dang don vi la met vuong hoac cm vuong
M:3m vuong 65dm vuong=3m vuong+65/100m vuong=3va65/100m vuong (ket qua la hon so do)
a)6m vuong 58dm vuong=
b)43dm vuong=
c)48mm vuong =
so 0,7 phan tram viet duoi dang phan so do la