Tiếng Anh A is the set o f all natural numbers less than 20 . write down 3 subsets of A 21/11/2021 By Eva A is the set o f all natural numbers less than 20 . write down 3 subsets of A
A= {0; 1; 2; 3; 4; 5 ;6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20} The 3 subset of A is: For example: B={0; 6; 9; 7} C={10; 15; 20} D={11; 12; 13} B⊂A or A⊃B, C⊂A or A⊃C, C⊂A or A⊃C. Trả lời
A= {0; 1; 2; 3; 4; 5 ;6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20}
The 3 subset of A is:
For example:
B={0; 6; 9; 7}
C={10; 15; 20}
D={11; 12; 13}
B⊂A or A⊃B, C⊂A or A⊃C, C⊂A or A⊃C.
B={0;1;2;3;4;5;6;7;8;9}
C={1;3;5;7;9}
D={0;2;4;6;8}