October 2018 1 6 Report

zad.1przedstaw obwod kazdej z figur ,zredukuj wyrazy podobne i oblicz obwód dla a=2, b=0,5

a) 3a +2b+2a+3a+3a-b+13a-7b=

b)3b-a+3b-a+2a+3b-a+3b-a+2a+3b-a+2a+3b-a+3b-a+2a=

c)a-b+3b+b+2a-b+2a-b+b+3b=

plis trzeba ni to na dzis


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