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</Group><Text-field style="Heading 1" layout="Heading 1" alignment="centred">   <Font size="28" encoding="UTF-8"> 13-Integra\303\247\303\243o no Trabalho</Font></Text-field><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Um dos tipos de problemas mais dif\303\255ceis s\303\243o os da integra\303\247\303\243o no trabalho. S\303\243o quest\303\265es a envolver duas pessoas, duas m\303\241quinas ou dois processos trabalhando juntos para desenvolver uma determinada tarefa. Entretanto, usando o Maple, podemos alcan\303\247ar um entendimento mais claro sobre como isso funciona e como solucionar os seus problemas.
</Font></Text-field>
<Section collapsed="true" isCollapsible="true" drawButton="true" MultipleChoiceAnswerIndex="-1" MultipleChoiceRandomizeChoices="false" TrueFalseAnswerIndex="-1" EssayAnswerRows="5" EssayAnswerColumns="60"><Title><Text-field style="Heading 1" size="14" layout="Heading 1"><Font size="14" encoding="UTF-8">0. C\303\263digo</Font></Text-field></Title>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">restart; with(plots): </Text-field>
</Input>
<Output><Text-field style="Warning" layout="Warning">Warning, the name changecoords has been redefined
</Text-field>
</Output>
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<Group labelreference="L3" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">TrabalhandoJuntos  :=  proc( a, b )
     local x, t, A, B, pa, pb, pta, ptb;

     t := solve( x/a + x/b = 1, x):
     A := t/a;  
     B := t/b: 
     pa := polygonplot( [ [0,0],[A,0],[A,1],[0,1] ], color = gold, axes = none):
     pb := polygonplot( [ [A,0],[1,0],[1,1], [A,1] ], color = red):
     pta := textplot( [ 0, 1.2, a]);
     ptb := textplot( [ 1, 1.2, b]);
     display( pa, pb, pta, ptb)
 end proc:
</Text-field>
</Input>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">TrabalhandoJuntoInicio  :=  proc( a, b, c )
     local pc, x, t, A, B, C, pa, pb, pta, ptb;

     t := solve( x/a + x/b = 1, x):
     C := c/a;      A := (1-C)*t/a;     B := (1-C)*t/b:
 
     pc := polygonplot( [ [0,0],[C,0],[C,1],[0,1] ], 
                                color = gold, axes = none):
     pa := polygonplot( [ [C,0],[C+A,0],[C+A,1],[C,1] ], 
                                color = gold, axes = none):
     pb := polygonplot( [ [A+C,0],[1,0],[1,1], [A+C,1] ], color = red):
     pta := textplot( [ A, 1.2, a]);
     ptb := textplot( [ 1, 1.2, b]);
     display( pc, pa, pb, pta, ptb)
 end proc:</Text-field>
</Input>
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<Section collapsed="true" isCollapsible="true" drawButton="true" MultipleChoiceAnswerIndex="-1" MultipleChoiceRandomizeChoices="false" TrueFalseAnswerIndex="-1" EssayAnswerRows="5" EssayAnswerColumns="60"><Title><Text-field style="Heading 2" layout="Heading 2"><Font encoding="UTF-8">1. A Id\303\251ia Geral</Font></Text-field></Title><Text-field style="Normal" layout="Normal"></Text-field><Text-field style="Normal" layout="Normal"><Font encoding="UTF-8">Se pudermos visualisar o trabalho feito por cada parte, ser\303\241 mais f\303\241cil compreender do que se trata. Primeiro devemos procurar visualizar. 
</Font></Text-field><Text-field style="Normal" layout="Normal"><Font style="Text" bold="true">Problema</Font> <Font style="Text" bold="true">1.1 :</Font><Font encoding="UTF-8"> Ana leva 3 horas para completar uma tarefa trabalhando sozinha. Jo\303\243o leva 4 horas. Quanto tempo demora se eles trabalharem juntos?
</Font>
<Font encoding="UTF-8">A pessoa que conclui a tarefa em menos tempo \303\251 o trabalhador mais r\303\241pido - A mesma que ter\303\241 feito mais no mesmo intervalo de tempo.
</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogether( 3, 4);
</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMtJS1Xb3JrVG9nZXRoZXJHNiQiIiQiIiU=</Equation></Text-field>
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<Font encoding="UTF-8">Se uma pessoa leva 10 horas para fazer um trabalho, comparado a algu\303\251m que faz o mesmo em uma hora, a primeira pessoa est\303\241 fazendo muito pouco.</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogether( 10, 1);
</Text-field>
</Input>
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<Font encoding="UTF-8">\303\251 ainda pior se a primeira pessoa levar 100 horas para fazer o servi\303\247o.</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogether( 100, 1);
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<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMtJS1Xb3JrVG9nZXRoZXJHNiQiJCsiIiIi</Equation></Text-field>
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<Font encoding="UTF-8">Mas \303\251 o contr\303\241rio se a primeira pessoa levar uma hora e a segunda levar 100 horas.</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogether( 1, 100);
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal"></Text-field>
</Input>
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<Section collapsed="true" isCollapsible="true" drawButton="true" MultipleChoiceAnswerIndex="-1" MultipleChoiceRandomizeChoices="false" TrueFalseAnswerIndex="-1" EssayAnswerRows="5" EssayAnswerColumns="60"><Title><Text-field style="Heading 2" layout="Heading 2"><Font encoding="UTF-8">2. Resolvendo Problemas de Integra\303\247\303\243o</Font></Text-field></Title><Text-field style="Normal" layout="Normal">
 <Font style="Text" bold="true">Problema  2.1:</Font><Font encoding="UTF-8"> Ana leva 3 horas para completar uma tarefa trabalhando sozinho. Jo\303\243o leva 4 horas. Quanto tempo demora se eles trabalharem juntos?
</Font>
<Font encoding="UTF-8">Ana trabalha a uma rela\303\247\303\243o trabalho / hora , enquanto Jo\303\243o trabalha a uma rela\303\247\303\243o de1/4 de trabalho / hora. Se os dois trabalharem por t horas, ent\303\243o, qual \303\251 a propor\303\247\303\243o do trabalho que eles vao realizar ?
</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t/3 + t/4;</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMsJCooIiIoIiIiIiM3ISIiJSJ0RyIiIiIiIg==</Equation></Text-field>
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</Group><Text-field style="Normal" layout="Normal"><Font encoding="UTF-8">Se pegarmos essa express\303\243o, que \303\251 a quantidade de trabalho realizada, e igualarmos a um trabalho inteiro, teremos :</Font></Text-field>
<Group labelreference="L11" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t/3 + t/4 =1;</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMvLCQqKCIiKCIiIiIjNyEiIiUidEciIiIiIiIiIiI=</Equation></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t = solve( %, t);</Text-field>
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<Font style="Text" bold="true">Problema  2.2:</Font><Font encoding="UTF-8">  Um tanque de armazenamento tem dois tupos de entrada, A e B. O tupo A pode encher o tanque sozinho em 20 horas. Enquanto o tubo B leva trinta e cinco horas para completar o servi\303\247o. Se ambos os tubos estiverem abertos, quanto tempo levar\303\241 para encher o tanque?
</Font>
<Font encoding="UTF-8">O tubo A tem uma rela\303\247\303\243o de 1/20 de tanque por hora ou t/20 de tanque por hora.
O tubo B tem uma rela\303\247\303\243o de 1/35 de tanque por hora ou t/35 de tanque por hora.
</Font></Text-field>
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<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t/20; t/35;</Text-field>
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<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1GIzYlLUkjbWlHRiQ2JVEidEYnLyUnaXRhbGljR1EldHJ1ZUYnLyUsbWF0aHZhcmlhbnRHUSdpdGFsaWNGJy8lK2ZvcmVncm91bmRHUShbMCwwLDBdRicvRjhRJ25vcm1hbEYnLUYjNiUtSSNtbkdGJDYkUSMyMEYnRj1GOkY9LyUubGluZXRoaWNrbmVzc0dRIjFGJy8lK2Rlbm9tYWxpZ25HUSdjZW50ZXJGJy8lKW51bWFsaWduR0ZKLyUpYmV2ZWxsZWRHUSZmYWxzZUYnRjpGPQ==">NiMsJComIiM/ISIiJSJ0RyIiIiIiIg==</Equation></Text-field><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1GIzYlLUkjbWlHRiQ2JVEidEYnLyUnaXRhbGljR1EldHJ1ZUYnLyUsbWF0aHZhcmlhbnRHUSdpdGFsaWNGJy8lK2ZvcmVncm91bmRHUShbMCwwLDBdRicvRjhRJ25vcm1hbEYnLUYjNiUtSSNtbkdGJDYkUSMzNUYnRj1GOkY9LyUubGluZXRoaWNrbmVzc0dRIjFGJy8lK2Rlbm9tYWxpZ25HUSdjZW50ZXJGJy8lKW51bWFsaWduR0ZKLyUpYmV2ZWxsZWRHUSZmYWxzZUYnRjpGPQ==">NiMsJComIiNOISIiJSJ0RyIiIiIiIg==</Equation></Text-field>
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</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Se somarmos o que \303\251 feito pelo tubo A com o que \303\251 feito pelo tubo B, teremos quanto o tanque est\303\241 cheio ap\303\263s t horas. Nesse caso, queremos a soma do resultado ao completar um tanque.</Font></Text-field>
<Group labelreference="L14" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t/20 + t/35 = 1;</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMvLCQqKCIjNiIiIiIkUyIhIiIlInRHIiIiIiIiIiIi</Equation></Text-field>
</Output>
</Group>
<Group labelreference="L15" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t = solve( %, t); evalf(%);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMvJSJ0RyMiJFMiIiM2</Equation></Text-field><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUYjNictSSNtaUdGJDYlUSJ0RicvJSdpdGFsaWNHUSV0cnVlRicvJSxtYXRodmFyaWFudEdRJ2l0YWxpY0YnLUkjbW9HRiQ2LVEiPUYnL0Y1USdub3JtYWxGJy8lJmZlbmNlR1EmZmFsc2VGJy8lKnNlcGFyYXRvckdGPy8lKXN0cmV0Y2h5R0Y/LyUqc3ltbWV0cmljR0Y/LyUobGFyZ2VvcEdGPy8lLm1vdmFibGVsaW1pdHNHRj8vJSdhY2NlbnRHRj8vJSdsc3BhY2VHUSwwLjI3Nzc3NzhlbUYnLyUncnNwYWNlR0ZOLUkjbW5HRiQ2JFEsMTIuNzI3MjcyNzNGJ0Y7LyUrZm9yZWdyb3VuZEdRKFswLDAsMF1GJ0Y7RlVGOw==">NiMvJSJ0RyQiK3Rzc3M3ISIp</Equation></Text-field>
</Output>
</Group>
</Section>
<Section collapsed="true" isCollapsible="true" drawButton="true" MultipleChoiceAnswerIndex="-1" MultipleChoiceRandomizeChoices="false" TrueFalseAnswerIndex="-1" EssayAnswerRows="5" EssayAnswerColumns="60"><Title><Text-field style="Heading 2" layout="Heading 2"><Font encoding="UTF-8">3. Vis\303\243o Gr\303\241fica de Problemas Mais Complicados</Font></Text-field></Title><Text-field style="Normal" layout="Normal"> 
<Font style="Text" bold="true">Problema 3.1 :</Font><Font encoding="UTF-8"> Lu\303\255s pode concluir um servi\303\247o em 7 horas sozinho. Rafael pode concluir o servi\303\247o em 10 horas se trabalhar sozinho. Se Lu\303\255s trabalhar por duas horas sozinho e depois for ajudado por Rafael, o qu\303\243o mais r\303\241pido o trabalho ser\303\241 feito?
</Font>
</Text-field>
<Group labelreference="L16" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogetherEarly( 7, 10, 2);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMtJTJXb3JrVG9nZXRoZXJFYXJseUc2JSIiKCIjNSIiIw==</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">E se Lu\303\255s trabalhasse por 4 horas antes de Rafael chegar?</Font></Text-field>
<Group labelreference="L17" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogetherEarly( 7, 10, 4);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMtJTJXb3JrVG9nZXRoZXJFYXJseUc2JSIiKCIjNSIiJQ==</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">E se a Lu\303\255s trabalhar 6 horas antes de Rafael aparecer?</Font></Text-field>
<Group labelreference="L18" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">WorkTogetherEarly( 7, 10, 6);

</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUYjNictSSNtaUdGJDYlUTJXb3JrVG9nZXRoZXJFYXJseUYnLyUnaXRhbGljR1EldHJ1ZUYnLyUsbWF0aHZhcmlhbnRHUSdpdGFsaWNGJy1JI21vR0YkNi1RMCZBcHBseUZ1bmN0aW9uO0YnL0Y1USdub3JtYWxGJy8lJmZlbmNlR1EmZmFsc2VGJy8lKnNlcGFyYXRvckdGPy8lKXN0cmV0Y2h5R0Y/LyUqc3ltbWV0cmljR0Y/LyUobGFyZ2VvcEdGPy8lLm1vdmFibGVsaW1pdHNHRj8vJSdhY2NlbnRHRj8vJSdsc3BhY2VHUSYwLjBlbUYnLyUncnNwYWNlR0ZOLUkobWZlbmNlZEdGJDYkLUYjNiktSSNtbkdGJDYkUSI3RidGOy1GODYtUSIsRidGO0Y9L0ZBRjNGQkZERkZGSEZKRkwvRlBRLDAuMzMzMzMzM2VtRictRlc2JFEjMTBGJ0Y7RlotRlc2JFEiNkYnRjsvJStmb3JlZ3JvdW5kR1EoWzAsMCwwXUYnRjtGO0Zgb0Y7RmBvRjs=">NiMtJTJXb3JrVG9nZXRoZXJFYXJseUc2JSIiKCIjNSIiJw==</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
</Text-field>
</Section>
<Section collapsed="true" isCollapsible="true" drawButton="true" MultipleChoiceAnswerIndex="-1" MultipleChoiceRandomizeChoices="false" TrueFalseAnswerIndex="-1" EssayAnswerRows="5" EssayAnswerColumns="60"><Title><Text-field style="Heading 2" layout="Heading 2"><Font encoding="UTF-8">4. A Id\303\251ia Geral de Problemas mais complexos de integra\303\247\303\243o no trabalho</Font></Text-field></Title><Text-field style="Normal" layout="Normal">
<Font style="Text" bold="true">Problema 4.1 :</Font><Font encoding="UTF-8"> Lu\303\255s pode concluir um trabalho em 7 horas trabalhando sozinha. Rafael pode concluir o trabalho em 10 horas se trabalhar sozinho. Se a alanis trabalhar durante 2 horas sozinha, e ent\303\243o ser ajudade por Rafael, em quanto isso aumentar\303\241 o rendimento do trabalho?
</Font>
<Font encoding="UTF-8">A raz\303\243o de Lu\303\255s \303\251 de 1/7 trabalho / hora. Se ele trabalhar duas horas nessa velocidade ele realizar\303\241 essaquantidade de trabalho:</Font></Text-field>
<Group labelreference="L19" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">2 * (1/7);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1JI21uR0YkNiRRIjJGJy8lLG1hdGh2YXJpYW50R1Enbm9ybWFsRictRi82JFEiN0YnRjIvJS5saW5ldGhpY2tuZXNzR1EiMUYnLyUrZGVub21hbGlnbkdRJ2NlbnRlckYnLyUpbnVtYWxpZ25HRj0vJSliZXZlbGxlZEdRJmZhbHNlRicvJStmb3JlZ3JvdW5kR1EoWzAsMCwwXUYnRjI=">NiMjIiIjIiIo</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Essa \303\251 a quantidade de trabalho que resta a ser feito, quando a Rafael chega.</Font></Text-field>
<Group labelreference="L20" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">1 - %;
</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1JI21uR0YkNiRRIjVGJy8lLG1hdGh2YXJpYW50R1Enbm9ybWFsRictRi82JFEiN0YnRjIvJS5saW5ldGhpY2tuZXNzR1EiMUYnLyUrZGVub21hbGlnbkdRJ2NlbnRlckYnLyUpbnVtYWxpZ25HRj0vJSliZXZlbGxlZEdRJmZhbHNlRicvJStmb3JlZ3JvdW5kR1EoWzAsMCwwXUYnRjI=">NiMjIiImIiIo</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Ao fazer o gr\303\241fico dessas linhas, o m\303\251todo melhor e mais r\303\241pido \303\251 encontrar as interse\303\247\303\265es e depois &quot;ligar os pontos&quot;.</Font></Text-field>
<Group labelreference="L21" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">t/7 + t/10 = %;</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiMvLCQqKCIjPCIiIiIjcSEiIiUidEciIiIiIiIjIiImIiIo</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
Vejamos outros exemplos. </Text-field>
<Group labelreference="L22" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">answer := solve( %, t);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="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">NiM+JSdhbnN3ZXJHIyIjXSIjPA==</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Verifique a resposta substituindo esse n\303\272mero. essa \303\251 aquantidade de trabalho que a Lu\303\255s realiza:</Font></Text-field>
<Group labelreference="L23" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">(2 + answer) * (1/7);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1JI21uR0YkNiRRIzEyRicvJSxtYXRodmFyaWFudEdRJ25vcm1hbEYnLUYvNiRRIzE3RidGMi8lLmxpbmV0aGlja25lc3NHUSIxRicvJStkZW5vbWFsaWduR1EnY2VudGVyRicvJSludW1hbGlnbkdGPS8lKWJldmVsbGVkR1EmZmFsc2VGJy8lK2ZvcmVncm91bmRHUShbMCwwLDBdRidGMg==">NiMjIiM3IiM8</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
<Font encoding="UTF-8">Essa \303\251 a quantidade que a Rafael realiza.</Font></Text-field>
<Group labelreference="L24" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">answer * (1/10);</Text-field>
</Input>
<Output><Text-field style="2D Output" layout="Maple Output"><Equation executable="false" style="2D Output" display="LUklbXJvd0c2Iy9JK21vZHVsZW5hbWVHNiJJLFR5cGVzZXR0aW5nR0koX3N5c2xpYkdGJzYlLUkmbWZyYWNHRiQ2KC1JI21uR0YkNiRRIjVGJy8lLG1hdGh2YXJpYW50R1Enbm9ybWFsRictRi82JFEjMTdGJ0YyLyUubGluZXRoaWNrbmVzc0dRIjFGJy8lK2Rlbm9tYWxpZ25HUSdjZW50ZXJGJy8lKW51bWFsaWduR0Y9LyUpYmV2ZWxsZWRHUSZmYWxzZUYnLyUrZm9yZWdyb3VuZEdRKFswLDAsMF1GJ0Yy">NiMjIiImIiM8</Equation></Text-field>
</Output>
</Group><Text-field style="Normal" layout="Normal">
Juntas, essas duas quantidades devem ser iguais ao trabalho completo. Para que isso esteja correto, a soma dos dois deve ser um.</Text-field>
<Group labelreference="L25" drawlabel="true">
<Input><Text-field prompt="&gt; " style="Maple Input" layout="Normal">% + %%;</Text-field>
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