tìm ƯCLN(12,15,18) tìm B(32) tìm BCNN(14,16,18) nhanh nhanh với j! 23/11/2021 Bởi Alice tìm ƯCLN(12,15,18) tìm B(32) tìm BCNN(14,16,18) nhanh nhanh với j!
ƯCLN(12,15,18) 12=2².3 15=3.5 18=3².2 ⇒ƯCLN( 12 , 15,18) =3 B(32)={0;32;64;……} BCNN(14,16,18) 14=2.7 16=`2^4` 18-3².2 ⇒BCNN(14,16,18)= `2^4`.3².7=1008 Bình luận
$12=2^2.3$ $15=3.5$ $18=2.3^2$ $ƯCLN(12,15,18)=3$ $B(32)=$ `{0;32;64;96;128;160;…}` $14=2.7$ $16=2^4$ $18=2.3^2$ $BCNN(14,16,18)=2^4.3^2.7=1008$ Bình luận
ƯCLN(12,15,18)
12=2².3
15=3.5
18=3².2
⇒ƯCLN( 12 , 15,18) =3
B(32)={0;32;64;……}
BCNN(14,16,18)
14=2.7
16=`2^4`
18-3².2
⇒BCNN(14,16,18)= `2^4`.3².7=1008
$12=2^2.3$
$15=3.5$
$18=2.3^2$
$ƯCLN(12,15,18)=3$
$B(32)=$ `{0;32;64;96;128;160;…}`
$14=2.7$
$16=2^4$
$18=2.3^2$
$BCNN(14,16,18)=2^4.3^2.7=1008$