A is the set o f all natural numbers less than 20 . write down 3 subsets of A

Question

thanhmai · Answer

B={0;1;2;3;4;5;6;7;8;9}      C={1;3;5;7;9}      D={0;2;4;6;8}

truongankim · Answer

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.

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