Member for
4 ปี 2 เดือนAge: 11-16
Level: Grade 5
Language: Polish
(pl)
ไอดี: 117378
21/04/2020
Country code: PL
Country: Poland
Main content: Średnia (1078449)
From worksheet author:
średnia arytmetyczna
Other contents:
średnai
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![Średnia Średnia](/sites/default/files/styles/worksheet/public/def_files/2020/4/21/4211941506792/4211941506792001.jpg?itok=T0kxPFDD)