\(a.\)
\(X=\left\{x\in N|0< x\le10\right\}\)
\(b.\)
\(Y=\left\{x\in N|10\le x\le99\right\}\)
\(c.\)
\(M=\left\{x\in N,x=k^2,k< 10\right\}\)
a) X = \(\left\{x\in N;0< x\le10\right\}\)
b) Y = \(\left\{x\in N;10\le x\le99\right\}\)
c) M = \(\left\{16;25;36;49;64;81\right\}\)
Chúc bạn luông học tốt !
a.
X={x∈N|0<x≤10}X={x∈N|0<x≤10}
b.
Y={x∈N|10≤x≤99}Y={x∈N|10≤x≤99}
c.
M={x∈N,x=k2,k<10}