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Test-Lidia
Question name
Question text
<p>Quin dels següents nombres són nombres naturals? </p>
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One or multiple answers?
Multiple answers allowed
One answer only
Shuffle the choices?
Number the choices?
a., b., c., ...
A., B., C., ...
1., 2., 3., ...
i., ii., iii., ...
I., II., III., ...
No numbering
WIRIS variables
Algorithm
Choice 1
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«mi»#a1«/mi»«mi»#a2«/mi»«/mfrac»«/math»
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Feedback
Molt bé. El numerador és divisible entre el denominador i per tant, és un nombre natural.
Choice 2
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»-#a1«/mn»«/math»
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Feedback
No és un nombre natural.
Choice 3
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mfenced»«mrow»«mo»-«/mo»«mi»#c1«/mi»«/mrow»«/mfenced»«mi»#c2«/mi»«/msup»«/math»
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Feedback
Molt bé. La base d'aquesta potència és negativa, però com que l'exponent és parell, el resultat d'aquesta operació és un nombre natural.
Choice 4
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»-«/mo»«msup»«mi»#d1«/mi»«mi»#d2«/mi»«/msup»«/math»
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Feedback
Atenció, el signe menys no forma part de la base, per tant, la base és positiva i el resultat de la potència és positiu, però el nombre és negatiu, per tant, no és un nombre natural.
Choice 5
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#b2«/mn»«/math»
Grade
None
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83.33333%
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Feedback
Molt bé.
Choice 6
Answer
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Choice 7
Answer
Grade
None
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Feedback
Choice 8
Answer
Grade
None
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83.33333%
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66.66667%
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Feedback
Combined feedback
For any correct response
For any partially correct response
Options
Show the number of correct responses once the question has finished
For any incorrect response
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
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10%
0%
Hint 1
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Hint 2
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Created / last saved
Created
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Admin User
on
Monday, 15 July 2013, 9:10 AM
Last saved
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Admin User
on
Monday, 15 July 2013, 9:10 AM
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