" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Obliczam sumę ocen:
dostateczne: 1/3 * x * 3 = x
dobre: 1/2 * x * 4 = 2x
bardo dobre (1-1/3-1/2) * x * 5 = 1/6 * x * 5 = 5/6x
Obliczam srednia arytmetyczna:
(x + 2x + 5/6x)/x = (3x + 10/6x)/x = (18/6+5/6)x/x = 18/6+5/6 = 23/6 = 3,83333333333333