August 2018 3 13 Report
Oblicz wartości liczbowe sum najpierw zredukuj wyrazy podobne
a) 2a+3-a+6+7a dla a= -2
b)2z +t-3z+4t-1 dla =z =5 i t=0,1
c) 13x-2y+7-9x+y-4+x-3 dla- x=0,2, y=-1
d) n²+n-7+3n²-n-9-n+16 dla- n-½




































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