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Test-Lidia
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<p> Calculeu la solució de l'equació <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mfrac»«mrow»«mn»2«/mn»«msqrt»«mi»x«/mi»«/msqrt»«/mrow»«mrow»«mn»4«/mn»«mo»+«/mo»«msqrt»«mrow»«mi»x«/mi»«mo»-«/mo»«mn»5«/mn»«/mrow»«/msqrt»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mn»4«/mn»«mo»-«/mo»«msqrt»«mrow»«mi»x«/mi»«mo»-«/mo»«mn»5«/mn»«/mrow»«/msqrt»«/mrow»«mn»2«/mn»«/mfrac»«/math»</span></p> <p>Solució: x={:SA:=9}</p>
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Monday, 12 August 2013, 9:04 AM
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Monday, 12 August 2013, 9:04 AM
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