
Multimea numerelor reale
Authored by Daniela Dîrnu
Mathematics
7th Grade
Used 6+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Valoarea lui x pentru care ecustia 5-x=7 are solutie este..?
x=2
x=-1
x=2
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Carei multimi apartine 0,25?
Q\Z
N
Z
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Ce este un numara irational?
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Rezolva in multimea numerelor naturale ecuatia : 4x+6=0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prin ce metode se poate rezolva un sistem de doua ecuatii liniare cu doua necunoscute?
Metoda substitutiei
Metoda reducerii
Metoda factorului comun
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
(numere pozitive) este ?
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