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B. If D = {x/x is a counting number between 20 and 30}, E = {counting numbers between 20 to 40 which are divisible by 3}. U = D U E.
Find:

1. D – E =

2. E – D =

3. E U D =

4. E ∩ D =

5. D’ =


Sagot :

Edmilaacid

Answer:

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Step-by-step explanation:

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