<PRE><B>Question 1208858</B>
Taking those square brackets as just grouping symbols and not as indication for absolute value
{{{0&lt;(1-x/3)&lt;1}}}

{{{0&lt;3-x&lt;3}}}

{{{0+x&lt;3&lt;3+x}}}


{{{system(x&lt;3, and, 3&lt;3+x)}}}


{{{system(x&lt;3,and,0&lt;x)}}}


{{{highlight(0&lt;x&lt;3)}}}


&lt;pre&gt;
&lt;------------------------()================()-------------&gt;
                         0                  3
&lt;/pre&gt;</PRE>