Mathematics
Junior High
Solved
43.の(2)を解説付きで教えて頂きたいです
20
*43 A={n|-2<n<4, nは整数}, B={2.r|-V2 <z<<10,
次の集合の要素の個数を求めよ。
(2) B
(3) ANB
(4) AUB
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