tong cua tu so va mau so cua 1 phan so la 90 sau khi rut gon phan ta duoc phan so 5/33tim phan so ban dau
tim mot phan so co mau so bang 1/4 tu so ma tong cua mau so va phan so la 10
Mot phan so bang phan so 4/5 co tong cua tu va mau so la 198 tim phan so do
mot phan so co tong cua tu so va mau so la 37 , tu so be hon mau so 5 don vi . tim phan so do ?
mot phan so co tong cua tu so va mau so la 50 mau so lon hon tu so 8 don vi.Tim phan so do
Cho phan so tong cua tu so va mau so la 136 . Tim phan so do biet phan so do co the rut gon 3/11
mot phan so co hieu cua mau so va tu so la 15, khi rut gon phan so do duoc 7/10.Tim phan so do
A)Viet 5 phan so bé Hon 1,co Mau so la 7 va co tu so lon hon 0:
B)Viet 5 phan so lon hon 1 va co mau so la 5:
C)Viet 5 phan so bang phan so tam phan muoi hai :
D)Viet cac phan so khac 0 co tong cua tu so va mau so bang 7:
E)Hai phan so lon hon 1 co mau so bang 7 la :
G)Hai phan so bang 1 la:
H)Khoanh vao cac phan so bang ba muoi sau phan nam tu: Hai phan ba; sau phan muoi nam;tam phan muoi hai;muoi phan muoi nam
Giai ho minh bai toan nay nhe !Minh dang can bai toan nay trong ngay hom nay.
TIM MOT PHAN SO BIET NEU CHUYEN 8 DON VI TU MAU SO LEN TU SO TA DUOC PHAN SO MOI CO GIA TRI BANG 1 VA TONG CUA TU SO VA MAU SO BANG 186 . VAY PHAN SO DO LA .....