Given the complete set u = R, set a = {x | 0 ＜ x ≤ 2}, B = {x | x ＜ - 3 or X ＞ 1}. (1) find a ∩ B. CUA (2) (CUA) ∪ (cub)

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• 1. Given the complete set u = a ∪ B = {x ∈ n | 0 ≤ x ≤ 10}, a ∩ (cub) = {1,3,5,7}, try to find the set B
• 2. Given the complete set u = {x | x ＜ = 4}, set a = {x | - 2 ＜ x ＜ 3}, B = {x | - 3 ＜ = x ＜ = 2}, find the intersection of (CUA} UB, a (cub) Wait online, hurry!
• 3. A = {x | x ≤ - 3 or X ＞ 0} B = {x | - 4 ＜ x ≤ 1} u = R find anb (CUA) UB an (cub) （CuA)U(CuB) Cu(AUB)
• 4. Let u = R, a = {x | - 1
• 5. Set u = {x | x ≤ 10, and X ∈ positive integers}, A.B is the proper subset of u, and a ∩ B = {3,5}, (cub) ∩ a = {1,2,4}, (CUA) ∩ (cub) = {6,7} to find sets a and B
• 6. The complete set u = {x belongs to n * | X
• 7. Given the complete set u = {1,2,3,4,5,6,7,8,9,10}, the set a = {1,3,5,7}, B = {2,4,5,7}, then CUA ∩ cub=
• 8. Given the complete set u = R, set a = {x | x + 1 > = 0}, set B = {x | X's square-x-12 ∩ 0}, find (CUA) ∩ B
• 9. When u = {0,1,2,3,4,5,6,7,8}, a = {0,1,3,4,7}, B = {1,2}, verify that Cu (a ∪ b) = CUA ∩ cub and Cu (a ∩ b) = CUA ∪ cub There should be a detailed process, thank you
• 10. U = {1,2,3,4,5,6}, a = {2,3,5}, B = {1,4}, find Cu (AUB) and (CUA) ∩ (cub)
• 11. Let u = R, a = {x | x ＞ 3}, B = {x | 5 ＜ x ＜ 8}, find a ∩ B, a ∪ B, Cub ∪, a ∩ cub, CUA ∪ cub
• 12. Let u = R, a = {x | x > = 1}, B {x | 0
• 13. Let u = R, a = {x | x ≥ 1}, B = {x | 0 ＜ x ＜ 5}, find (∁ UA) ∪ B and a ∩ (∁ UB)
• 14. Three sets a = {X / x ^ 2-3x + 2 = 0}, B = {X / x ^ 2-ax + A-1 = 0}, C = {X / x ^ 2-bx + 2 = 0}, if a is the proper subset of B, AUC = a is the real number a, does B exist? If yes, find out a, B. if not, explain the reason B is the true subset of A, I don't quite understand
• 15. We know that the set a = {x belongs to R / ax ^ 2-3x + 2 = 0 The set a = {x belongs to R | ax ^ 2-3x + 2 = 0, a belongs to R}. 1. If a = empty set, find the value range of real number A. 2. If a is a single element set, find the value of real number a and a
• 16. Given that there is only one element in the set a = {x | (A-1) x ^ 2 + 3x-2 = 0}, we can find the value of real number a
• 17. Given that the set a = {x belongs to R | ax2-3x + 2 = 0} (1), if a = an empty set, find the value range of real number a (2) is a single element set, find the value of a and set a (3) Finding the set M = {a belongs to R | A is not equal to an empty set
• 18. Given the set a = {x ∈ R | X & sup2; + 3x + 3 = O}, B = {x ∈ R | X & sup2; - 5x + 6 = 0}, a is contained in P and true in B, find the set P satisfying such condition
• 19. A set a = {X & sup2; - 3x + 4 = 0, X ∈ r}, B = {x | (x + 1) (X & sup2; + 3x-4) = 0, X ∈ r}, and a proper subset P subset B
• 20. If the set a = {x | X & # 178; + 3x-4 & lt; 0, X ∈ r}, then what is the number of proper subsets of the set a ∩ Z,