Se considera multimea
M={-7;-1/3;-radical 4 ;0;radical 2;radical 3;0,5;7}
Scrieti,prin enumerarea elementelor,multimile:
A={x apartine M | x apartine N};
B={x apartine M | x apartine Z};
C={x apartine M | x apartine Q};
D={x apartine M | x apartine R\ Q}.





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