Bài tập 1.46 trang 19 SBT Toán 10

a) \(R\backslash \left( {\left( {0;1} \right) \cup \left( {2;3} \right)} \right) = \left( { - \infty ;0} \right] \cup \left[ {1;2} \right] \cup \left[ {3; + \infty } \right)\)

b) \(R\backslash \left( {\left( {3;5} \right) \cap \left( {4;6} \right)} \right) = \left( { - \infty ;4} \right] \cup \left[ {5; + \infty } \right)\)

c) \(\left( { - 2;7} \right)\backslash \left[ {1;3} \right] = \left( { - 2;1} \right) \cup \left( {3;7} \right)\)

d) \(\left( {\left( { - 1;2} \right) \cup \left( {3;5} \right)} \right)\backslash \left( {1;4} \right) = \left( { - 1;1} \right] \cup \left[ {4;5} \right)\)

-- Mod Toán 10 HỌC247