
Operatori și expresii
Authored by Vasilica Tomulescu
Computers
6th Grade
Used 11+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Care este rezultatul evaluării expresiei C/C++ următoare: 11*3/2*2/3?
10
11
2
2.75
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indicațio expresie C/C++ echivalentă cu următoarea: (x>5)&& (x<20) || (x!=y)
(x>5|| x<20) && (x==y)
!(x<=5|| x>=20) || (x!=y)
(x>5|| x<20) && (x!=y)
!(x<5|| x>20) && (x!=y)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expresia C/C++: 3+7/4+3
are valoarea:
1
5.5
7
7.75
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Variabila x este de tip întreg. Indicați o expresie care are valoarea 1 dacă și numai dacă expresia C/C++:
x<=3 || x>10
are valoarea 1.
!(x<3 && x<10)
x>=3 && !(x>=10)
!(x<3 || x<=10)
!(x>3) || !(x<=10)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indicați care dintre expresiile C/C++ de mai jos are valoarea 1 dacă şi numai dacă numărul natural memorat în variabila întreagă n este divizibil cu 2 şi cu 7.
!( (n%2==1) || (n%7!=0) )
(n%2==0) && (n%7!=0)
(n%2==0) || !(n%7==0)
(n%7==2) && (n%2==7)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Variabila x este de tip întreg. Indicaţi o expresie C/C++ care are valoarea 1 dacă şi numai dacă valoarea variabilei x are exact trei cifre.
x%1000==0 || x%100!=0
x/1000==0 || x/100!=0
x%1000==0 && x%100!=0
x/1000==0 && x/100!=0
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Indicaţi expresia care are valoarea 1 dacă şi numai dacă numărul memorat în variabila întreagă x are exact două cifre, iar cifra unităţilor este nenulă.
(x/10)*(x%10)!=0 && x%100==0
(x/10)+(x%10)!=0 || x/100==0
(x/10)*(x%10)!=0 && x/100==0
(x/10)+(x%10)!=0 || x%100==0
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