
media geometrica aritmetica si armonica

Quiz
•
Mathematics
•
6th - 8th Grade
•
Hard

Dan Puiu
FREE Resource
6 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
.Completaţi şirul de mai jos cu încă trei termeni ţinând cont de proprietatea că pentru oricare trei termeni consecutivi ai şirului, termenul din mijloc reprezintă media geometrică a celorlalţi doi
6; 12; 24; 48; ….; ….; …..
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Aflaţi media geometrică a două numere ştiind că suma lor este egală cu 13 şi unul este cu 5 mai mare decât al doilea.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Aflaţi trei numere reale pozitive, ştiind că sunt invers proporţionale cu , şi , iar media geometrică a ultimelor două este egală cu media geometrică a numerelor 6 şi 54.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Se dau numerele şi . Calculaţi media aritmetică, media armonică şi media geometrică. Ordonaţi crescător numerele a, b şi numerele calculate anterior.
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculaţi media geometrică, media aritmetică şi media armonică a numerelor:
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