October 2018 1 11 Report

Zredukuj wyrazy podobne i oblicz wartości podanych sum algebraicznych :

a) 2a-4b+3b+3a-5b-a+1 dla : a= 1/3 i b= (-3)

b)n2+n-7+3n2-n-9-n+16 dla : n= (-1/2)

Z góry dziękuje :)


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