September 2018 2 33 Report

oblicz korzystajac z odpowiedniego wzoru skroconego mnozenia 102 do kwadratu 99 do kwadratu 301 do kwadratu 45 do kwadratu 9,8 do kwadratu 5,1 do kwadratu wskazówka. 102do kwaadratu=(100+2)do kwadratu , 99 do kwadratu =(100-1) do kwadratu


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