9. Calculaţi: a) (-2) + (-2)' + (-2)?;
d) (-5)° + (-5)' +(-5)?; h);
b) (-3)° +(-3)' +(-3);
e) (-6) + (-6)' + (-6)2;
c) (-4) + (-4)' + (-4)?; f) (-7)° +(-7)+(-7).​

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