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a) M = { 6;7;8;9}
b) n = { 1;2;3;4;5;6;7;8}
c) n = {3;5;7;9;11}
d) P = {2;4;6;8}
học tốt
a) \(M=\left\{6;7;8;9\right\}\)
b) \(N=\left\{1;2;3;...;8;9\right\}\)
còn lại bn tự giải nha
~hok tốt~
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![](https://rs.olm.vn/images/avt/0.png?1311)
1/\(A=\left\{21;24;27;30;33;36;39\right\}\)
\(B=\left\{30;35;40\right\}\)
\(C=\left\{32;36;40\right\}\)
2/\(D=\left\{30\right\}\)\(;\)\(E=\left\{40\right\}\)\(;\)\(F=\left\{36\right\}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(M=\left\{1;3;5;6;10;15;30\right\}\)
\(P=\left\{21;24;27;30;33;36;39;42;45;48\right\}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a: A={71;72;73;74}
b: B={41;43;45;47;49}
c: C={0}
d: D=R
A = ( 71,72,73,74 )
B = ( 41,43,45,47,49 )
C = ( 0)
D = ( 1,2,3,4,5,6,7,......., N )
![](https://rs.olm.vn/images/avt/0.png?1311)
a, { x \(\in\) N | 5 < x < 9 }
A = { 6;7;8 }
b, { x \(\in\) N* | x < 7 }
B = { 1;2;3;4;5;6 }
a/
\(x\in\left\{0;1;2;3;4;5\right\}\)
b/
\(x\in\left\{6;7;8;9\right\}\)
c/
\(x\in\left\{7;8;9;10;11;12\right\}\)
d/
\(x\in\left\{8;9;10;11;12\right\}\)
e/
\(x\in\left\{7;8;9;10;11;12\right\}\)
a)A={0; 1; 2; 3; 4; 5}
b)B={6; 7; 8; 9}
c)C={7; 8; 9; 10; 11; 12}
d)D={8; 9; 10; 11}
e)E={7; 8; 9; 10; 11; 12}