10 = 5 . 2
18 = 32 . 2
24 = 23 . 3
BCNN = 360
có 360 = { 0 ; 360 ; 720 ; 1080 ; .... }
10 = 2 x 5
18 = 2 x 32
24 = 23 x 3
BCNN(10, 18, 24)=23 x 32 x 5 =360
BC(10, 18, 24)={0, 360, 720, 1080, 1440,........}
đúng ko ?
Ta có:10=2.5
18=2.32
24=23.3
\(\Rightarrow BCNN\left(10,18,24\right)=2^3.3^2.5=360\)
\(\Rightarrow BC\left(10,18,24\right)=B\left(360\right)=\left\{0;360;720;...\right\}\)
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