
Test medii și ecuații
Authored by Dida Isaia
Mathematics
7th Grade
Used 19+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Media aritmetică a numerelor 25 și 45 este
40
35
30
25
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Media arimetică ponderată a numerelor 2, 3 și 4 cu ponderile 5, 6, respectiv 9 este
6
3
3,2
6,4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Media geometrică a numerelor 4 și 25 este egală cu
10
4
25
15
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Media geometrică a numerelor 8 și 10 este egală cu
16
40
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Media geometrică a numerelor și este egală cu
6
12
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Știind că media geometrică a două numere este egală cu 12 și că unul dintre ele este egal cu , cel de-al doilea număr este egal cu
12
18
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Soluția negativă a ecuației x2=36 este egală cu
-18
6
-6
-12
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