1。据/span>一种据/span>B.据/span>>据/span>0.据/span>⇔据/span>一种据/span>>据/span>0.据/span>和据span class="katex">
B.据/span>>据/span>0.据/span>或据span class="katex">
一种据/span>据据/span>0.据/span>和据span class="katex">
B.据/span>据据/span>0.据/span>
2。据/span>一种据/span>B.据/span>≥据/span>0.据/span>⇔据/span>一种据/span>≥据/span>0.据/span>和据span class="katex">
B.据/span>≥据/span>0.据/span>或据span class="katex">
一种据/span>≤.据/span>0.据/span>和据span class="katex">
B.据/span>≤.据/span>0.据/span>
3。据/span>一种据/span>B.据/span>据据/span>0.据/span>⇔据/span>一种据/span>>据/span>0.据/span>和据span class="katex">
B.据/span>据据/span>0.据/span>或据span class="katex">
一种据/span>据据/span>0.据/span>和据span class="katex">
B.据/span>>据/span>0.据/span>
4.据/span>一种据/span>B.据/span>≤.据/span>0.据/span>⇔据/span>一种据/span>≥据/span>0.据/span>和据span class="katex">
B.据/span>≤.据/span>0.据/span>或据span class="katex">
一种据/span>≤.据/span>0.据/span>和据span class="katex">
B.据/span>≥据/span>0.据/span>
5。据/span>一种据/span>2据/span>>据/span>0.据/span>什么时候据span class="katex">
一种据/span>∈据/span>R.据/span>那据/span>一种据/span>据/span>=据/span>0.据/span>
6。据/span>一种据/span>2据/span>≥据/span>0.据/span>⇔据/span>身份据/em>
∀据/span>一种据/span>∈据/span>R.据/span>
7。据/span>一种据/span>2据/span>据据/span>0.据/span>错误的据/span>什么时候据span class="katex">
一种据/span>∈据/span>R.据/span>
8。据/span>一种据/span>2据/span>≤.据/span>0.据/span>⇔据/span>一种据/span>=据/span>0.据/span>
9。据/span>B.据/span>一种据/span>≤.据/span>0.据/span>⇔据/span>一种据/span>B.据/span>≤.据/span>0.据/span>什么时候据span class="katex">
B.据/span>据/span>=据/span>0.据/span>
10.据/span>B.据/span>一种据/span>据据/span>0.据/span>⇔据/span>一种据/span>B.据/span>据据/span>0.据/span>什么时候据span class="katex">
B.据/span>据/span>=据/span>0.据/span>
11.据/span>B.据/span>一种据/span>≥据/span>0.据/span>⇔据/span>一种据/span>B.据/span>≥据/span>0.据/span>什么时候据span class="katex">
B.据/span>据/span>=据/span>0.据/span>
12.据/span>B.据/span>一种据/span>>据/span>0.据/span>⇔据/span>一种据/span>B.据/span>>据/span>0.据/span>什么时候据span class="katex">
B.据/span>据/span>=据/span>0.据/span>
求的解集据span class="katex">
X据/span>2据/span>-据/span>5.据/span>X据/span>+据/span>6.据/span>>据/span>0.据/span>.据/span>
自据span class="katex">
X据/span>2据/span>-据/span>5.据/span>X据/span>+据/span>6.据/span>>据/span>0.据/span>那据/span>我们有据span class="katex">
(据/span>X据/span>-据/span>2据/span>)据/span>(据/span>X据/span>-据/span>3.据/span>)据/span>>据/span>0.据/span>.据/span>
因此,有两种情况:据span class="katex">
X据/span>-据/span>2据/span>>据/span>0.据/span>和据span class="katex">
X据/span>-据/span>3.据/span>>据/span>0.据/span>那据/span>或据span class="katex">
X据/span>-据/span>2据/span>据据/span>0.据/span>和据span class="katex">
X据/span>-据/span>3.据/span>据据/span>0.据/span>.据/span>
情况1:据span class="katex">
X据/span>-据/span>2据/span>>据/span>0.据/span>和据/span>X据/span>-据/span>3.据/span>>据/span>0.据/span>⟹据/span>X据/span>>据/span>2据/span>和据/span>X据/span>>据/span>3.据/span>⟹据/span>X据/span>>据/span>3.据/span>.据/span>
案例2:据span class="katex">
X据/span>据据/span>2据/span>和据/span>X据/span>据据/span>3.据/span>⟹据/span>X据/span>据据/span>2据/span>.据/span>
因此,答案是据span class="katex">
X据/span>>据/span>3.据/span>或据span class="katex">
X据/span>据据/span>2据/span>.据span class="katex">
□据/span>