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已知集合\(A=\left \{ {{x|{x}^{2}-3x+2=0}} \right \} ,B=\left \{ {x|0<x<6,x∈\text{N}} \right \} \),则满足\(A⫋C\subseteq B\)的集合\( \mathrm{C}\)的个数为( )
A.4
B.7
C.8
D.16
参考答案:B
解析:
解:集合\(A=\left \{ {{x|{x}^{2}-3x+2=0}} \right \} =\left \{ {1,2} \right \} ,B=\left \{ {x|0<x<6,x∈\text{N}} \right \} =\left \{ {1,2,3,4,5} \right \} \),
∴满足\(A⫋C\subseteq B\)的集合\(C\)有:\( \{1,2,3\},\{1,2,4\},\{1,2,5\},\{1,2,3,4\},\{1,2,3,5\},\{1,2,4,5\},\{1,2,3,4,5\}\),共7个.故选:B.