高中数学不等式和几何的性质知识设集合 A = {x| x a < 1,x ∈ R} ,B = {x |1 < x < 5,x ∈ R }.若 A∩B = 空集,则实 数 a 的取值范围是( ) . A. {a |0 ≤ a ≤ 6 } B.{ a| a ≤ 2,或a ≥4}C.{ a| a ≤ 0,或a
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 16:17:40
![高中数学不等式和几何的性质知识设集合 A = {x| x a < 1,x ∈ R} ,B = {x |1 < x < 5,x ∈ R }.若 A∩B = 空集,则实 数 a 的取值范围是( ) . A. {a |0 ≤ a ≤ 6 } B.{ a| a ≤ 2,或a ≥4}C.{ a| a ≤ 0,或a](/uploads/image/z/5385312-0-2.jpg?t=%E9%AB%98%E4%B8%AD%E6%95%B0%E5%AD%A6%E4%B8%8D%E7%AD%89%E5%BC%8F%E5%92%8C%E5%87%A0%E4%BD%95%E7%9A%84%E6%80%A7%E8%B4%A8%E7%9F%A5%E8%AF%86%E8%AE%BE%E9%9B%86%E5%90%88+A+%3D+%EF%BD%9Bx%7C+x+a+%3C+1%2Cx+%E2%88%88+R%EF%BD%9D+%2CB+%3D+%7Bx+%7C1+%3C+x+%3C+5%2Cx+%E2%88%88+R+%7D%EF%BC%8E%E8%8B%A5+A%E2%88%A9B+%3D+%E7%A9%BA%E9%9B%86%2C%E5%88%99%E5%AE%9E+%E6%95%B0+a+%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF%EF%BC%88+%EF%BC%89+%EF%BC%8E+A%EF%BC%8E+%7Ba+%7C0+%E2%89%A4+a+%E2%89%A4+6+%7D+B%EF%BC%8E%7B+a%7C+a+%E2%89%A4+2%2C%E6%88%96a+%E2%89%A54%7DC%EF%BC%8E%7B+a%7C+a+%E2%89%A4+0%2C%E6%88%96a)
xSNA~bW'hL{C&K)lPTjʻվB쏮^4E^Crc$Vҋ>TUMbOL>/oBkZleQ%Q\ʢk")
\h55C>Uڠɷ5f́kb*<JW.+hv\MDeAhUb!6_=Lx&<kFah5fo;wȡzvI *F7 s2x,Qhe
R2P%GVVbPL|}ֹ_e|ބũ;KLQ<\(_
&O.o'"3֘Vvk0 UF2Ǝ2ח0mduʴl|*Y/ڗ"-
vڪSamPVɤkV,QkD{sx
Ϭ bc^Q
Ľ2ꢺ>$c~Ur