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plzzz
in seara aceasta


Plzzz In Seara Aceasta class=

Răspuns :

7≤5x+2≤17 => x∈{1,2,3}

A={1,2,3} si B={1,2}

A∪B={1,2,3}

A∩B={1,2}

A-B={3}

B-A=Ф