
Legi de compozitie
Authored by IONITA ALEXANDRA
Mathematics
12th Grade
Used 12+ times

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7 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Pe multimea numerelor reale se defineste legea de compozitie .
Rezultatul calculului este
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Pe multimea numerelor reale se defineste legea de compozitie .
Numarul real x pentru care este
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fie legea de compoziție x o y = xy - x - y + 2. Precizati elementul neutru pe multimea .
e = 1
e = 2
e = 0
e = 7
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fie legea de compoziție
pe mulțimea numerelor reale. Aceasta se mai poate scrie astfel:
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Doresti un punct din oficiu?
DA
NU
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Comutativitatea legii de compoziție „* ” pe R, este exprimată prin relația:
x * y = y * x,
a.î. x * y = y * x
( x * y ) * z = x * ( y * z ),
a.î. ( x * y ) * z = x * ( y * z )
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Pe multimea numerelor reale se considera legea de compozitie asociativa
Simetricul elementului in raport cu legea de compozitie este
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