若A={x|x>12,x∈N},B={x|x<6,x∈N},全集I=N,则CI(A∪B)=______.
题型:填空题难度:简单来源:不详
若A={x|x>12,x∈N},B={x|x<6,x∈N},全集I=N,则CI(A∪B)=______. |
答案
∵A={x|x>12,x∈N},B={x|x<6,x∈N},全集I=N,则A∪B={x|x>12,或x<6,x∈R}, ∴CI(A∪B)={x|6≤x≤12,x∈R}={7,8,9,10,11}, 故答案为 {7,8,9,10,11}. |
举一反三
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