\(12=2^2\cdot3\)
\(9=3^2\)
\(15=3\cdot5\)
\(3=3\)
`=>`\(ƯCLN\left(12;9;15;3\right)=3\)
`12=2^2 . 3`
`9=3^2`
`15=3.5`
`3=3`
`=>ƯCLN(12,9,15,3)=3`
12=22⋅312=22⋅3
9=3⋅39=3⋅3
15=3⋅515=3⋅5
3=33=3
⇒⇒ƯCLN(12;9;15;3)=3
ta có :
`12 = 2^2 xx 3`
`9 = 3^2`
`15 = `3 xx 5
`3 = 3`
=>` ƯCLLN(12 ; 9 ; 15; 3) = 3`