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Editing a Embedded answers (Cloze) - math & science question by WIRIS
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Donats els següents elements del pla:<br /> <ul> <li>punt P#p</li> <li>recta r:<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#e«/mi»«mo»=«/mo»«mn»0«/mn»«/math»</span></li> <li>recta s:<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#f«/mi»«mo»=«/mo»«mn»0«/mn»«/math»</span></li> </ul>calcula:<br /> <ul> <li>la distància de P a r = d(P,r) = {1:SA:=#d}</li> <li>l'angle entre les rectes r i s = {1:SA:=#a1~%100%#a2}</li> </ul>(escriu els resultats <span style="color: rgb(255, 0, 0);">arrodonint-los amb un decimal</span>)<br />
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Monday, 15 July 2013, 9:10 AM
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