ABxlog2x11的精選

問題詳情：.已知*A=,B={x|log2(x+1)<1},則()A.A⊆B                    B.B⊆A              C.A=B               D.A∩B=⌀【回答】C解析∵A=(-1,1),B=(-1,1),∴A=...