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      <title>EXERCÍCIOS PROPOSTOS DE MATEMÁTICA by </title>
      <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a</link>
      <description>Resolver os Exercícios Propostos</description>
      <language>en-us</language>
      <pubDate>2021-05-19 20:51:30 UTC</pubDate>
      <lastBuildDate>2021-06-16 19:36:56 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>INTERVALOS </title>
         <author>neidsm</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544686234</link>
         <description><![CDATA[<div>O que é intervalos?</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-20 16:46:29 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544686234</guid>
      </item>
      <item>
         <title>Podemos ter intervalos como:</title>
         <author>neidsm</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544710271</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-05-20 16:51:41 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544710271</guid>
      </item>
      <item>
         <title>Exemplos de intervalos.</title>
         <author>neidsm</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544723185</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-05-20 16:54:31 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544723185</guid>
      </item>
      <item>
         <title>Operações com intervalos.</title>
         <author>neidsm</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544733368</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-05-20 16:56:44 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1544733368</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557538301</link>
         <description><![CDATA[<div>São representações de subconjuntos, podemos representar certos subconjuntos de "R" pela notação de intervalos.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 13:28:32 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557538301</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557539548</link>
         <description><![CDATA[<div>Geométricos e algébricos</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 13:28:50 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557539548</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557559687</link>
         <description><![CDATA[<div>A = {x ∈ ℝ | –1 ≤ x &lt; 4}</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 13:33:25 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1557559687</guid>
      </item>
      <item>
         <title> M°Alice: ( 1°)-Um intervalo (real) é um conjunto que contém cada número real entre dois extremos indicados, podendo ou não conter os próprios extremos.</title>
         <author>mariaribeiro288</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562681003</link>
         <description><![CDATA[]]></description>
         <pubDate>2021-05-26 19:08:40 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562681003</guid>
      </item>
      <item>
         <title></title>
         <author>mariaribeiro288</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562702894</link>
         <description><![CDATA[<div><strong><em>2°)_Representação algébrica e representação numérica.</em></strong></div>]]></description>
         <pubDate>2021-05-26 19:16:01 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562702894</guid>
      </item>
      <item>
         <title>3°)_Intervalo aberto.</title>
         <author>mariaribeiro288</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562733297</link>
         <description><![CDATA[<div><strong><em>&nbsp; &nbsp; &nbsp;_Intervalo fechado.<br>&nbsp; &nbsp; &nbsp;_Intervalo fechado à esquerda.<br>&nbsp; &nbsp; &nbsp;_Intervalo fechado à direita.<br>&nbsp; &nbsp; &nbsp;_Semirreta aberta de origem A.<br>&nbsp; &nbsp; &nbsp;_Semirreta de origem A.<br>&nbsp; &nbsp; &nbsp;_Reta real.</em></strong></div>]]></description>
         <pubDate>2021-05-26 19:26:12 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562733297</guid>
      </item>
      <item>
         <title>4°)_</title>
         <author>mariaribeiro288</author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562768719</link>
         <description><![CDATA[<div>Exemplo: A=[1,3]<br>B=[2,5)<br>A U B=[1,5)<br>______________________<br>Exemplo: A=[2,5)<br>B=[3,6)<br>A interseção B=[3,5)<br>______________________<br>Diferença: Pertence ao conjunto A e não pertence ao conjunto B.<br>Exemplo: A=[0,3]<br>B=[1,5)<br>A-B=[0,1)<br><br>Obs:Eu mostrei apenas a resolução de um problema envolvendo:Operações com intervalo,já que não deu para representa-lo algébricamente aqui.</div>]]></description>
         <pubDate>2021-05-26 19:38:45 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1562768719</guid>
      </item>
      <item>
         <title>Questão 1: Oque é intervalos?</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570557345</link>
         <description><![CDATA[<div>* Ruan Santos: *<br>R: Intervalo é um conjunto que contém cada número real entre dois extremos indicados, podendo ou não conter os próprios extremos.</div>]]></description>
         <pubDate>2021-05-29 15:12:51 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570557345</guid>
      </item>
      <item>
         <title>Questão 2: Podemos ter intervalos como:</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570559141</link>
         <description><![CDATA[<div>R: Representação algébrica e representação numérica.</div>]]></description>
         <pubDate>2021-05-29 15:14:50 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570559141</guid>
      </item>
      <item>
         <title>Questão 3: Exemplos de intervalos. </title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570562305</link>
         <description><![CDATA[<div>R: •Intervalo aberto.<br>&nbsp; &nbsp; •Intervalo semi-fechado ou semi-aberto.<br>&nbsp; &nbsp; •Intervalo semi-aberto ou semi-fechado.<br>&nbsp; &nbsp; •Intervalo fechado.</div>]]></description>
         <pubDate>2021-05-29 15:18:23 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570562305</guid>
      </item>
      <item>
         <title>Questão 4: Operações com intervalos.</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570573010</link>
         <description><![CDATA[<div>R: (-4.12)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; [0,3;5]<br><br>&lt;--------●------○--------○----&gt;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;-2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4<br>[- 1/2, 78)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (0,3]</div>]]></description>
         <pubDate>2021-05-29 15:29:41 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570573010</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570701584</link>
         <description><![CDATA[<div>Edson Sampaio Dantas<br><br>1°=é um conjunto que contém cada número real entre dois extremos indicados, podendo ou não conter os próprios extremos.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-29 17:59:52 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570701584</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570707545</link>
         <description><![CDATA[<div>Edson Sampaio Dantas<br><br>2°=Representação algébrica e representação numérica</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-29 18:07:39 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570707545</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570723060</link>
         <description><![CDATA[<div>Edson Sampaio Dantas<br><br>3°</div><ul><li><strong>intervalo</strong> aberto.</li><li>: <strong>intervalo</strong> semi-fechado ou semi-aberto.</li><li>: <strong>intervalo</strong> semi-aberto ou semi-fechado.</li><li>: <strong>intervalo</strong> fechado.</li><li>: <strong>intervalo</strong> fechado.</li><li>: <strong>intervalo</strong> aberto.</li><li>: <strong>intervalo</strong> fechado.</li><li>: <strong>intervalo</strong> aberto.</li></ul>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-29 18:27:03 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570723060</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570768833</link>
         <description><![CDATA[<div>Edson Sampaio Dantas<br><br>4°=<br>A{0,1,5}<br>B={0,2,5,7}<br>A Ω B={0,5}</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-29 19:20:50 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570768833</guid>
      </item>
      <item>
         <title>RIVAELE </title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570946549</link>
         <description><![CDATA[<div>1. Intervalos é um conjunto que contém cada número real entre dois extremos indicados, podendo ou não conter os próprios extremos.</div>]]></description>
         <pubDate>2021-05-29 23:51:57 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570946549</guid>
      </item>
      <item>
         <title>Rivaele </title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570950679</link>
         <description><![CDATA[<div>2. Geométrico e algébrico</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-29 23:59:57 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570950679</guid>
      </item>
      <item>
         <title>Rivaele </title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570956477</link>
         <description><![CDATA[<div>B= [5,9]= {X ∈ R|5 &lt; X &lt; 9}</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-30 00:11:11 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570956477</guid>
      </item>
      <item>
         <title>Rivaele </title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570960390</link>
         <description><![CDATA[<div>A ------○----------○--------------&gt;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5<br>B&nbsp; ---------○-------|--------○-----&gt;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;|&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 9<br>A&nbsp;<strong>∩&nbsp;</strong>B------|○-------|○-------------&gt;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5</div>]]></description>
         <pubDate>2021-05-30 00:19:17 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1570960390</guid>
      </item>
      <item>
         <title>Ana Júlia Dantas da silva</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610689304</link>
         <description><![CDATA[<div><br>1ª questão:&nbsp;<br>R=Intervalo significa que o conjunto possui cada número real entre dois extremos indicados, seja numericamente ou geometricamente. Não é possível representar subconjuntos ou conjuntos que não sejam reais.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-06-16 19:18:12 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610689304</guid>
      </item>
      <item>
         <title>Ana Júlia Dantas da silva</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610696400</link>
         <description><![CDATA[<div><br>2ª questão:<br>R= representação algébrica e representação numérica.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-06-16 19:23:23 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610696400</guid>
      </item>
      <item>
         <title>Ana Júlia Dantas da silva</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610707549</link>
         <description><![CDATA[<div><br>3ª questão:<br><br>R= intervalo aberto.<br><br>Intervalo semi-fechado ou semi-aberto.<br><br>Intervalo semi-aberto ou semi-fechado.<br><br>Intervalo fechado.<br><br>Intervalo fechado.<br><br>Intervalo aberto.<br><br>Intervalo fechado.<br><br>Intervalo aberto.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-06-16 19:30:35 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610707549</guid>
      </item>
      <item>
         <title>Ana Júlia Dantas da silva</title>
         <author></author>
         <link>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610717520</link>
         <description><![CDATA[<div><br>4ª questão:<br><br>A∪B = [2,8]<br>A∩B = [4,7]<br><br>A = [-3,3[<br>B = ]-2,4]<br><br>A∪B = [-3,4]<br>A∩B = [-3,-2[∪]-2,3[∪]3,4]<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-06-16 19:36:56 UTC</pubDate>
         <guid>https://padlet.com/neidsm/qbswhaxtfg9bsy9a/wish/1610717520</guid>
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