D = {0; 1; 2; 3; 4; 5 ; 6}
\(2\in D\)
\(10\notin D\)
D = { 0,1,2,3,4,5,6 }
2 ∈ D
10 ∉ D
học tốt!!!!!!!!
t.i.c.k giúp mk nhé
#yêu
D\(\in\left[0;1;2;3;4;5;6\right]\)
\(2\in D\)
\(10\notin D\)
\(D=\left\{0;1;2;3;4;5;6\right\}\)
\(2\in D\)
\(10\in D\)