a) BCNN ( 24 ; 10 )
Ta có :
24 = 3 . 2^3
10 = 2 . 5
=> BCNN ( 24 ; 10 ) 5 . 3 . 2^3 = 120
=> BCNN ( 24 ; 10 ) = 120
b) BCNN ( 8 ; 12 ; 15 )
Ta có
8 =2^3
12 =3 . 2^2
15 = 3 . 5
=> BCNN ( 8 ; 12 ; 15 ) = 2^3 . 5 . 3 = 120
=> BCNN ( 8 ; 12 ; 15 ) = 120
CHO MIK XIN CTLHN CHO NHÓM