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<div align="center"> </div> <table style="color: #000066; border: 4px solid #000066; float: none; text-align: left; vertical-align: top; width: 396px; height: 109px; background-image: url('http://www.insmilaifontanals.cat/moodle/none'); background-color: #ffffcc;" border="4" frame="void" rules="none" align="center"> <tbody> <tr> <td style="color: #ff6600; vertical-align: top; border-style: none; text-align: center; background-image: none; background-color: #000066;" colspan="2" valign="top" width="50%"><span style="font-size: medium; color: #ffff99;" data-mce-mark="1">Nombres naturals</span></td> </tr> <tr> <td style="color: #ff6600; text-align: left; vertical-align: top; border-style: none; width: 50%; background-image: url('http://www.insmilaifontanals.cat/none'); background-color: #ffffcc;" colspan="2" valign="top"> <div style="text-align: center; font-weight: bold;"><span style="color: #000080;" data-mce-mark="1">Serveixen per comptar quantitats positives.</span></div> <div style="text-align: center; font-weight: bold;"><span style="color: #000080;" data-mce-mark="1">El conjunt dels naturals s'escriu «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#8469;«/mi»«/math» </span></div> </td> </tr> <tr> <td style="background-color: #000066; background-image: none; color: #ff6600; text-align: left; vertical-align: top; border-style: none;" rowspan="1" colspan="2" valign="top" width="50%"> <div style="text-align: center;"><span style="font-size: medium; color: #ffff99;" data-mce-mark="1">Nombres enters</span></div> </td> </tr> <tr> <td style="font-weight: bold; border: 4px solid #000066; text-align: left; vertical-align: top; width: 50%; background-image: url('http://www.insmilaifontanals.cat/none');" colspan="2" valign="top"> <div style="text-align: justify;"><span style="color: #000080;">Els fem servir per expressar quantitats enteres positives (>0) o negatives (<0).</span></div> <span style="color: #000080;">El conjunt dels enters s'escriu «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#8484;«/mi»«/math» = {,-4,-3,-2,-1,0,1,2,3,...}</span></td> </tr> <tr> <td style="font-weight: bold; border: 4px solid #000066; text-align: left; vertical-align: top; width: 50%; background-image: url('http://www.insmilaifontanals.cat/none'); background-color: #000066;" colspan="2" align="center" valign="top"> <div style="text-align: center;"><span style="color: #ffff99; font-size: medium;" data-mce-mark="1">Nombres racionals</span></div> </td> </tr> <tr> <td style="font-weight: bold; background-image: none; border-color: #000099; border-width: 4px; text-align: left; vertical-align: top; border-style: solid;" colspan="2" align="justify" valign="top" width="50%"> <div><span style="color: #000080;" data-mce-mark="1">Són els nombres enters i les fraccions de nombres enters.</span></div> <div><span style="color: #000080;" data-mce-mark="1">El conjunt dels racionals s'escriu </span>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#8474;«/mi»«/math»</div> </td> </tr> </tbody> </table>
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