a) 3 x 3+45 x 3+ 9 x 3=
=3²+3³*5+3³
b) 1/81+ 9x 1/27+ (1/3)=
=3⁻⁴+3³ * 3⁻³+3⁻¹
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a) 3 x 3+45 x 3+ 9 x 3=
=3²+3³*5+3³
b) 1/81+ 9x 1/27+ (1/3)=
=3⁻⁴+3³ * 3⁻³+3⁻¹