b) 3³+3¹⁰:3⁸•3+3•3⁷:3⁵+2•3¹⁰:(5•3⁵+3⁵)=
=27+3²•3+3⁸:3⁵+2•3¹⁰:(5•243+243)=
=27+3³+3³+2•3¹⁰:(1215+243)=
=27+27+27+2•3¹⁰:1458=
=27+27+27+2•59049:1458=
=27+27+27+118098:1458=
=27+27+27+81=
=54+27+81=
=81+81=
=162
c) [3²•3³+2⁵⁴:2⁵²+(3⁵)⁴:3²⁰]:31=
=(3⁵+2²+3²⁰:3²⁰):31=
=(243+4+3⁰):31=
=(247+1):31=
=248:31=
=8
