dane są zbiory A={0,1,2,3,4,5,6,7,8,9}, B={-5,-3,-1,0,1,3,5}, D={0,2,4,6,8} wyznacz a. AuBuD, b.(AnB)uD, c. A/B. ''u oraz n to znak''
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a. {-5,-3,-1,0,1,2,3,4,5,6,7,8,9}
to suma wszystkich zbiorów
b. (AnB)uD={0,1,3,5}u{0,2,4,6,8}={0,1,2,3,4,5,6,8}
część wspólna a i b i suma z d
c. {2,4,6,7,8,9}
ze zbioru a wyrzucasz zbiór b :)