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<font size="4" style="font-family: times new roman,times,serif;"><em>Determina el valor que se obtiene al evaluar en la expresión:<br /> <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#z1«/mi»«mo»§nbsp;«/mo»«mo»-«/mo»«mo»§nbsp;«/mo»«mi»#z2«/mi»«/math»</span> para los valores de <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a1«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b1«/mi»«/math»</span>, <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a2«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b2«/mi»«/math»</span>, <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a3«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b3«/mi»«/math»</span> y <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a4«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b4«/mi»«/math»</span></em></font>
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<div style="text-align: justify;"> <div style="text-align: justify;"><em><font size="4" style="font-family: times new roman,times,serif;">Solución:</font><br /><br /><font size="4" style="font-family: times new roman,times,serif;">Si evaluamos </font><font size="4" style="font-family: times new roman,times,serif;"> la expresión <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#z1«/mi»«mo»§nbsp;«/mo»«mo»-«/mo»«mo»§nbsp;«/mo»«mi»#z2«/mi»«/math»</span> en <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a1«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b1«/mi»«/math»</span>, <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a2«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b2«/mi»«/math»</span>, <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a3«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b3«/mi»«/math»</span> y <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a4«/mi»«/math»</span><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#b4«/mi»«/math»</span>, significa que reemplazamos cada letra por el valor que se indica. Al hacerlo queda:</font><br /><br /><font size="4" style="font-family: times new roman,times,serif;"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#c1«/mi»«mo»·«/mo»«mi»#c2«/mi»«mo»-«/mo»«mfenced»«mrow»«mi»#b3«/mi»«mo»+«/mo»«mi»#b4«/mi»«/mrow»«/mfenced»«/math»</span></font><br /><br /><font size="4" style="font-family: times new roman,times,serif;">Aplicando prioridad en la operatoria, resolveremos paralelamente la multiplicación y el paréntesis obteniendo:</font><br /><br /><font size="4" style="font-family: times new roman,times,serif;"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#d1«/mi»«mo»-«/mo»«mi»#d2«/mi»«/math»</span></font><br /><br /><font size="4" style="font-family: times new roman,times,serif;">Ahora, restando nos da como resultado final:</font><br /><br /><font size="4" style="font-family: times new roman,times,serif;"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»=«/mo»«mi»#sol«/mi»«/math»</span></font><br /></em></div></div>
No, case is unimportant
Yes, case must match
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Answer 1
Answer
Grade
None
100%
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83.33333%
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66.66667%
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16.66667%
14.28571%
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<font face="times new roman,times,serif" size="4"><em>¡Excelente!</em></font>
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
<font size="4"><span style="font-family: times new roman,times,serif;"><em>Revisa tu desarrollo para identificar tus errores. ¡Tú puedes!</em> </span></font>
Answer 3
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
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100%
50%
33.33333%
25%
20%
10%
0%
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