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 co 90 don vi , tam muoi mot phan tram la so .....
co hai so thap phan [moi so co ba chu so o phan nguyen ,mot chu so o phan thap phan] ma hieu la 326,2vi ngu gat nen sai 3 loi trong bai toan tru thanh cong bo dau phay cua phan thap phan va tang so hang tram o tren len 1 don vi nen co ket qua la 9192 tim hai so do
so thap phan co muoi chin don vi , tam muoi mot phan tram
viet so thap phan;
a) bay don vị , nam phan muoi.
b)sau muoi tu do vị , nam muoi ba phan tram.
c) ba tram linh mot đơn vị , bốn phần trăm.
d) khong don vi , hai phần nghìn.
e) ko don vi, hai tram linh nam phần nghìn.
1; tong ket nam hoc lop 5e co 60 phan tram so hoc sinh xep loai hoc luc gioi 30 phan tram so hoc sinh xep loai hoc luc kha con lai 4 em xep loai hoc sinh trung binh. hoi lop 5e co bao nhieu hoc sinh , trong lop co bao nhieu em xep loai hoc luc gioi?
2; lop 5b co 1\2 so hoc sinh duoc xep loai hac luc gioi, 1\3 so hoc sinh xep loai hoc luc kha con lai la hoc sinh xep loai hoc sinh trung binh. hoi lop co bao nhieu hoc sinh duoc xep loai hoc luc gioi? biet so hoc sinh xep loai hoc luc gioi nhieu hon so hoc sinh xep loai hoc luc kha la 5 ban?
3; khi chuyen dau phay cua so thap phan D sang trai mot hang thi so do giam di 18,072 don vi so thp phan D la bao nhieu?
4; khi chuyen dau phay cua so thap phan B sang phai mot hang thi so do tang them 175,05 don vi so thap phan B la bao nhieu?
5;khi chuyen dau phay cua so thap phan C sang trai 2 hang thi so do giam di 198,98 so thap phan C la bao nhieu?
6;khi chuyen dau phay cua so thap phan D sang phai 2 hang thi so do tang them ,198,891 don vi so thap phan D la bao nhieu?
7;0,25 phan tram cua mot so bang 3,8 thi so do la bao nhieu?
8; 1,25 cua mot so bang 1 thi so do la bao nhieu ?
giup minh nhe co the cac ban giai ra loi van duoc khong
viet so thap phan co 3 chu so khac nhau biet rang chu so hang don vi cua so gap doi chu so hang phan muoi va gap 3 lan chu so hang phan tram