Дано: a={1,2,3,4,5,6,7,8}b={-1,0,1,2,3}c={3,2,1}d={1,2,3,5,0} найти 1) а∩с∪d, 2) (b/c)∩d, 3) (a∪b)/(d∩c), 4) (d/c)*a, 5)(a∪d)/с∩b

1)
A∩C ={1,2,3}
A∩C∪D={0,1,2,3,5}

2)
B\C= {-1,0}
B\C∩D={0}

3) A∪B={-1,0,1,2,3,4,5,6,7,8}
D∩C= {1,2,3}
  ( A∪B)\(D∩C)={-1,0,4,5,6,7,8}

4)   D\C = {5,0}
           (D\C)∩A={5}

5)  A∪D={0,1,2,3,4,5,6,7,8}
    C∩B={1,2,3}
      (A∪D)\(C∩B) = {0,4,5,6,7,8}