设全集为实数集R,M={xx≤2+√2,x∈R},,N={1,3,4,6},则(CRM)∩N=
问题描述:
设全集为实数集R,M={xx≤2+√2,x∈R},,N={1,3,4,6},则(CRM)∩N=
答
CRM={x|x>2+√2}
2+√2约等于3.414
所以(CRM)∩N={4,6}