Numere reale

Quiz
•
Mathematics
•
7th Grade
•
Hard
Dana Catana
Used 14+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă aria unui pătrat este egală cu 1225 dm2 , atunci perimetrul pătratului este egal cu:
200 cm
140 cm
70 cm
1400 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculând
3,08
3,12
3,02
3,52
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculând cu aproximaţie de prin rotunjire se obţine:
5,57
4,49
4,58
4,59
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Soluţia în N a ecuaţiei este
6
5
-1
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculând se obtine
21
9
12
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Media ponderată a numerelor: 3; -2; 4; -5 cu ponderile 1, 2, 3 respectiv 4 este:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
este
1999
100
1000
2000
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculând media aritmetică a numerelor: este
-7
8
-9
10
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie numerele si . Raportul dintre media geometrică şi media aritmetică a numerelor a şi b este:
1
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