a) \(\dfrac{18}{35},\dfrac{28}{35},\dfrac{31}{35},\dfrac{32}{35}\)
b) \(\dfrac{2}{3}=\dfrac{2
.
4}{3
.
4}=\dfrac{8}{12},\dfrac{3}{4}=\dfrac{3
.
3}{4
.
3}=\dfrac{9}{12},\dfrac{5}{6}=\dfrac{5
.
2}{6
.
2}=\dfrac{10}{12}\)
\(=>\dfrac{1}{12},\dfrac{8}{12},\dfrac{9}{12},\dfrac{10}{12}\)
\(=>\dfrac{1}{12},\dfrac{2}{3},\dfrac{3}{4},\dfrac{5}{6}\)
câu a)
`18/35 ; 28/35 ; 31/35 ; 32/35`
câu b )
MSC (12):
Ta có :
`2/3 = 8/12`
`3/4=9/12`
`5/6=10/12`
Vì : `1/12 < 8/12 < 9/12 < 10/12.`
Vậy : `1/12 ; 2/3 ; 3/4 ; 5/6 .`