a)2,3,4,5,,7,15
b)2,3,5,7,12,27
nha mn
a/
Ta có : 2/3 = 10/15
4/5 = 12/15
7/15 < 10/15 < 12/15
Vậy sắp xếp : 7/15 ; 2/3 ; 4/5
b/ ta có : 5/2 = 30/ 12
7/3 = 28/ 12
27/12 < 28/12 < 30/12
Vậy sắp xếp : 27/12 ; 7/3 ; 5/2
a)\(\frac{7}{15},\frac{2}{3},\frac{4}{5}\)
b)\(\frac{7}{3},\frac{27}{12},\frac{5}{2}\)