Traditional Culture Encyclopedia - Photography and portraiture - (20 12? The Wayne diagram of the relationship between the complete set U=R and the set M={x∈R
(20 12? The Wayne diagram of the relationship between the complete set U=R and the set M={x∈R
The set shown in the shaded part of the figure is m ∩ n.
∫ m = {x ∈ r |-2 ≤ x-1≤ 2} = {x ∈ r |-1≤ x ≤ 3}, and N={x|x=2k, k∈Z}
∴M∩N={0,2}
Therefore, there are two elements in the collection * * * displayed in the shaded part.
So choose B.
- Previous article:-2≤x- 1≤2}, N={x
- Next article:x=2k, k∈Z} is shown below.
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