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Fie multimea M={-3;+7;-2;+3;-1;0;+1;+2;+5}.Determinați multimile:
A={x €M| |x|<4}
B={x €M| |x|< sau egal cu 2}
C={x €M| |x| =x}
D ={x€M| |x|=-x}


MULTUMESC !☺