Question

faceți o faptă bună e un test dau 20 de puncte ​

Answer 1

A={1,2,3,4}
B={-2,-1,0,1,2}
A int B= {1,2}
A U B={-2,-1,0,1,2,3,4}
B\A={-2,-1,0}

Answer 2

Răspuns:

A={1,2,3,4}

B={[-2...3)}

AπB={1,2,3,4}

AUB=B={[-2...3)}

B\A={[-2...3)}-[1,2,3,4)