ba don vi,chin phan muoi

bay chuc , hai don vi , nam phan muoi, bon phan tram

hai tram, tam chuc, chin phan muoi, bay phan tram, nam phan nghin

mot tram,hai don vi,bon phan muoi,mot phan tram,sau phan nghin      ( viet so thap phan)

chuyen so thap phan thanh hon so co chua phan so thap phan;

7,9 ; 12,35;  8,06; 72,308;  20,006.

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

so thap phan co muoi chin don vi , tam muoi mot  phan tram

so thap phan gom 3 chuc 6 don vi 5 phan muoi va 2 phan nghin dc viet la

So thap phan co 9 don vi , 19 phan nghin , la so ; ...............................???

a)so thap phan gom hai muoi tam don vi va ba muoi hai phan tram

b)hon so gom ba muoi chin don vi va nam phan muoi hai

3 nghin tam tram linh tam don vi,bay muoi ba phan nghin

Chuyen thanh phan so thap phan

So thap phan co 90 don vi , tam muoi mot phan tram la so .....