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<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=3 height=24 BGCOLOR="#003333" TEXT="#F7F7FF"> <div> <FONT SIZE="4" COLOR="#FFFFFF" FACE="Georgia" ><B>M</B></FONT><FONT SIZE="4" COLOR="#FFFFFF" FACE="Georgia" ><B>atemáticas de la U</B></FONT><B> (MatU)  | </B><A HREF="http://www.jcbmat.com/" TARGET="_top" TITLE="http://www.jcbmat.com/"><U><B>Home</B></U></A><B> | </B><A HREF="index.htm" TARGET="_top" TITLE="Álgebra de Baldor"><U><B>Algebra de Baldor</B></U></A><B> |  </B><A HREF="id1076.htm" TARGET="_top" TITLE="Índice temático"><U><B>Índice temático</B></U></A><B>  |  </B><A HREF="id1073.htm" TARGET="_top" TITLE="Lista"><U><B>Lista de Ejercicios</B></U></A><B> |</B></div> <div> </div> </td> </tr><tr> <td valign="top" rowspan="2" width=165 BGCOLOR="#FFFFFF" TEXT="#080000"> <bR> <div> <B> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:160px;height:600px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="3073775660"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </B></div> </td> <td valign="top" height=432 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B>34</B></div> <div> <B>Signos de agrupación</B></div> <div> <B>Introducción de signos de agrupación</B></div> <bR> <div>  <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:728px;height:90px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="5388515922"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </div> <bR> <div> <B>Procedimiento</B></div> <bR> <div> <B>          P</B><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >ara introducir cantidades en signos de agrupación se procede de la siguiente manera:</FONT></div> <div> <B>1. </B><FONT SIZE="4" COLOR="#FF9900" FACE="Bell MT" ><B> </B></FONT><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >Cuando se introducen cantidades dentro de un signo de agrupación precedido del signo +, dichas cantidades permanecen con el signo original</FONT></div> <div> <B>2.</B> <FONT SIZE="4" COLOR="#000000" FACE="Bell MT" > Cuando se introducen cantidades dentro de un signo de agrupación precedido del signo </FONT><FONT SIZE="4" COLOR="#000000" FACE="Symbol" >-</FONT><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >, el signo de cada una de estas cantidades cambia.</FONT></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <B>Enunciados de los ejercicios</B></div> <bR> <div> <B>I</B><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >ntroducir todos los términos, menos el primero, de las expresiones siguientes, en un signo de agrupación precedido del signo menos:</FONT></div> <div> <IMG SRC="6e2c471f0.gif" border=0 width="327" height="31" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/ba4x93VOV_w?t=45s" TARGET="_top" TITLE="https://youtu.be/ba4x93VOV_w?t=45s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>      <IMG SRC="6e2d191c0.gif" border=0 width="281" height="28" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/ba4x93VOV_w?t=2m6s" TARGET="_top" TITLE="https://youtu.be/ba4x93VOV_w?t=2m6s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>     </div> <div> <IMG SRC="6e2ee7240.gif" border=0 width="231" height="36" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/ba4x93VOV_w?t=3m53s" TARGET="_top" TITLE="https://youtu.be/ba4x93VOV_w?t=3m53s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>        <IMG SRC="6e2f211d0.gif" border=0 width="289" height="29" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/ba4x93VOV_w?t=5m4s" TARGET="_top" TITLE="https://youtu.be/ba4x93VOV_w?t=5m4s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>      </div> <div> <IMG SRC="6e3004240.gif" border=0 width="260" height="36" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/ba4x93VOV_w?t=6m7s" TARGET="_top" TITLE="https://youtu.be/ba4x93VOV_w?t=6m7s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div> <B>I</B><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >ntroducir las expresiones siguientes, en un signo de agrupación precedido del signo menos:</FONT></div> <div> <IMG SRC="6e319c1c0.gif" border=0 width="156" height="28" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/5uWipBwmqTQ?t=46s" TARGET="_top" TITLE="https://youtu.be/5uWipBwmqTQ?t=46s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>       <IMG SRC="6e321d210.gif" border=0 width="285" height="33" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/5uWipBwmqTQ?t=1m39s" TARGET="_top" TITLE="https://youtu.be/5uWipBwmqTQ?t=1m39s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>      <IMG SRC="6e33b5210.gif" border=0 width="181" height="33" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/5uWipBwmqTQ?t=3m1s" TARGET="_top" TITLE="https://youtu.be/5uWipBwmqTQ?t=3m1s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div> <IMG SRC="6e3423240.gif" border=0 width="291" height="36" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"> <A HREF="https://youtu.be/5uWipBwmqTQ?t=3m53s" TARGET="_top" TITLE="https://youtu.be/5uWipBwmqTQ?t=3m53s"><U><IMG SRC="598118180.jpg" border=0 width="24" height="24" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <DIV ALIGN="LEFT"></DIV> <div> <B>Soluciones</B></div> <bR> <div> <B> <iframe width="853" height="480" src="https://www.youtube.com/embed/videoseries?list=PLq_SQwoOZHo3TAvVsN539QXB6UNT3y30_" frameborder="0" allowfullscreen></iframe>  </B></div> <bR> <bR> <bR> <div> <A HREF="http://twitter.com/Calculo21" TARGET="_top" TITLE="http://twitter.com/Calculo21"><U><IMG SRC="2fc828280.jpg" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A><A HREF="http://www.facebook.com/juan.beltran.58511" TARGET="_top" TITLE="http://www.facebook.com/juan.beltran.585"><U><IMG SRC="76fa28280.gif" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A><A HREF="https://www.youtube.com/user/MatematicaAplicadas" TARGET="_top" TITLE="https://www.youtube.com/user/MatematicaA"><U><IMG SRC="2fca28280.jpg" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <bR> <div> Por: <FONT SIZE="4" COLOR="#FF9900" FACE="Times New Roman" >Juan Carlos </FONT><FONT SIZE="4" COLOR="#0000FF" FACE="Times New Roman" >Beltrán</FONT> <FONT SIZE="4" COLOR="#FF0000" FACE="Times New Roman" >Beltrán </FONT></div> <bR> <div>  <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:970px;height:250px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="8553279920"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </div> <bR> <div> <A HREF="http://jcbmat.com/" TARGET="_top" TITLE="http://jcbmat.com/"><U><B><IMG SRC="76fee5530.gif" border=0 width="741" height="83" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></U></A></div> <div> | <A HREF="http://www.aritmetica.jcbmat.com/" TARGET="_top" TITLE="http://www.aritmetica.jcbmat.com/"><U>Aritmética</U></A> | <A HREF="http://www.algebra.jcbmat.com/index.htm" TARGET="_top" 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