\(\dfrac{120}{36}=\dfrac{120:12}{36:12}=\dfrac{10}{3}\)
\(\dfrac{120}{36}=\dfrac{120:12}{36:12}=\dfrac{10}{3}\)
tong cua tu so va mau so cua mot phan so la 4812 sau khi rut gon phan so do ta duoc phan so 5/7 hay tim phan so chua rut gon
tìm phân số biết tong cua tu va mau la 25 va khi rut gon thi duoc phan so -2/3
hieu vua mau va tu la 140 va khi rut gon phan so do thi duoc phan so 2/3
hieu cua tu va mau la 9 .dong thoi sau khi rut gon phan so do la 5/2 . tim phan so do
Mot phan so co tong cua tu va mau la 190. Sau khi rut gon thi diocese 5/33. Hay tim phan so do
Rut gon phan so:
x^39+x^36+...+x^3+1
phan x^40+x^38+...+x^2+1
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 : 6/5 : 9/10
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 : 6/5 : 9/10
tim ban kinh hinh trong
biet hinh trong do co dien tich la 364,185
ban kinh hinh trong la ...cm
nhap ket qua duoi so thap phan gon nhat
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 ; 6/5 ; 9/10