Question

​​  ƯCLN(18,34,72) là bao nhiêu

 

 

Answer 1

Ta có: 18 = 2 * 3²

           34 = 2 * 17

           72 = 2³ * 3²

Vậy ƯCLN(18;34;72) =2

Answer 2

ta có:

18=2*3²

34=2*17

72=2³*3²

UCLN(18,34,74)=2

Answer 3

Ta co: 

18=2x3²

34=2x17

72=2³x3²

=> UCLN(18,34,72)=2

Answer 4

=1224

Answer 5

ƯCLN(18,34,72)=1224