5⁹:25⁴+{16×4⁵:8³-3×[(2⁵×3)⁴-2²⁰×81]}=
=5⁹:(5²)⁴+[2⁴×(2²)⁵:(2³)³-3×(2²⁰×3⁴-2²⁰×81)]=
=5⁹:5⁸+[2⁴×2¹⁰:2⁹-3×(2²⁰×81-2²⁰×81)]=
=5+(2¹⁴:2⁹-3×0)=
=5+(2⁵-0)=
=5+2⁵=
=5+32=37
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