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Default for System (16649)
Test-Lidia
Question name
Question text
<p>Se considera multimea A = { 1, 2, ... , #n }. </p> <p>Sa se determine numarul submultimilor cu trei elemente, ale multimii A, care contin elementul #e.</p>
Default mark
General feedback
No, case is unimportant
Yes, case must match
Correct answers
You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
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
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>Daca din A indepartam elementul #e, raman in A #n - 1 elemente !</p> <p>Numarul submultimilor cu cate doua elemente, ale multimii cu #j elemente este si numarul submultimilor cu cate trei elmente ale multimii A, care contin elementul #e .</p> <p> </p>
Hint 2
Hint text
Created / last saved
Created
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Admin User
on
Monday, 12 August 2013, 9:05 AM
Last saved
by
Admin User
on
Monday, 12 August 2013, 9:05 AM
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