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b). (-2)⁵-(-6)²+(-1)¹⁴+(-12)⁰=-32-36+1+1=-66
c).(⅗)²-(-⅖)³+(⅞)⁰=9/25 - (-8/125)+1=9/25+8/125+1=45/125 + 8/125+1=1+ 53/125=
d). (-⅓)⁴-(-1⅔)⁰+(-⅓)=1/81-1-1/3=1/81-27/81-1=-1 i 26/81