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temperatura din weekend au fost:vineri-2,7 grade celsius, sambata-22,5 grate celsius si dumiinica-2,6 grade celsius . care a fos temperaura medie din weekend ?

Răspuns :

temperatura medie =[tex] \frac{-2,7+(-22,5)+(-2,6)}{3}= \frac{-2,7-22,5-2,6}{3} = \frac{-27,8}{3} =-9,2(6)[/tex] grade celsius
-2,7+(-22,5)+(-2,6)=-27,8:3≈-9,3°C