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<p><span style="color: #0000ff;"><strong><span style="color: #000080;">a) Calcula, SENSE RESOLDRE L'EQUACIÓ, la suma i el producte de les solucions de:</span> </strong></span></p> <p style="text-align: center;"><span style="color: #0000ff;"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»e«/mi»«/mrow»«/mstyle»«/math»</strong></span></p> <p><span style="color: #000080;"><strong> b)</strong></span> <strong style="font-size: 13.6000003814697px; line-height: 1.4;"><span style="color: #000080;">Intueix quines són les solucions</span><span style="color: #ff6600;"> (Format: </span></strong>{1,3}<strong style="font-size: 13.6000003814697px; line-height: 1.4;"><span style="color: #ff6600;">)</span></strong></p> <p><span style="color: #0000ff; font-weight: bold;" data-mce-mark="1"><span style="color: #ff6600;" data-mce-mark="1"> </span></span></p>
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<div style="text-align: justify;"><span style="font-weight: bold; color: #006600;"> </span></div>
No, case is unimportant
Yes, case must match
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Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
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33.33333%
30%
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16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
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
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #003300;"><strong style="line-height: 1.4;">La suma és «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»S«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfrac mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»-«/mo»«mi mathvariant=¨bold¨»b«/mi»«/mrow»«mi mathvariant=¨bold¨»a«/mi»«/mfrac»«/mstyle»«/math» i el producte «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»P«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfrac mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»c«/mi»«mi mathvariant=¨bold¨»a«/mi»«/mfrac»«/mstyle»«/math»</strong></span></p>
Hint 2
Hint text
<p><strong><span style="color: #003300;">Per deduir les solucions, cal pensar que les dues són divisors del producte.</span></strong></p> <p><strong><span style="color: #003300;">Els divisors naturals de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»P«/mi»«/mrow»«/mstyle»«/math» són «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»sol«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»2«/mn»«/mrow»«/mstyle»«/math»</span></strong></p> <p><strong><span style="color: #003300;">Per tempteig i jugant amb la suma (la suma dels dos nombres és «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»S«/mi»«/mrow»«/mstyle»«/math») i els signes, es poden deduir.</span></strong></p> <p> </p>
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Tuesday, 14 July 2015, 9:22 AM
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