
ecuații si sisteme de ecuații
Quiz
•
Mathematics
•
7th - 10th Grade
•
Hard
Laura Erculescu
Used 6+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suma a trei numere întregi consecutive este (-15). Determinați cele trei numere.
- 6, - 5,- 4
6,5,4
-7, -6, -3
-5, 5, 15
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determinați numărul întreg , știind că dacă-l înmulțim cu (- 4) obținem același rezultat ca atunci când îl adunăm cu (-25).
-5
5
10
-6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soluțiile întergi ale ecuației sunt:
1
1,
-1,
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soluția ecuației este:
2
3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un muncitor a executat într-o zi cu 240 de piese mai mult decât norma zilnică . Știind că numărul pieselor executate în acea zi a fost de 4 ori mai mare decât norma zilnică, determinați numărul pieselor pe care le are de executat muncitorul în cinci zile lucrătoare.
240
400
80
360
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suma a două numere este 18. Primul număr mărit cu 4 este de trei ori mai mare decât opusul numărului obținut prin adunarea cu 6 a celui de-al doilea număr. Determinați cele două numere.
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