\(B=\left\{2n+1|1< n< 7,n\inℕ\right\}\)
\(B=\left\{5;7;9;11;13\right\}\)
B={5,7,9,11,13}
B={xeN;x là số lẻ;3<x<15}
B={xeN;x=2k +1,3<x<15}
\(B=\left\{2n+1|1< n< 7,n\inℕ\right\}\)
\(B=\left\{5;7;9;11;13\right\}\)
B={5,7,9,11,13}
B={xeN;x là số lẻ;3<x<15}
B={xeN;x=2k +1,3<x<15}