So thap phan co 9 don vi , muoi chin phan nghin la so .....
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
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.
so thap phan gom 3 chuc 6 don vi 5 phan muoi va 2 phan nghin dc viet la
3 nghin tam tram linh tam don vi,bay muoi ba phan nghin
Chuyen thanh phan so thap phan
so thap phan gom 15 don vi va 5 phan nghin
Khi chia 1 so thap phan ma co chu so o hang thap phan la 5 cho 125, 1 ban bo quen chu so 1 o hang don vi cua so thap phan , vi vay ket qua giam di 45,008 don vi.Tim so thap phan biet ket qua cua ca 2 truong hop deu la so chia het.
Cac chu so phan muoi, phan tram, phan nghin cua mot so thap phan co 3 chu so o phan thap phan la 3 so le lien tiep . Tong cac chu so o phan thap phan bang phan nguyen cua so do, cac chu so o phan nguyen va phan thap phan deu khac nhau . Tim so thap phan do ?
