[(2020¹ - 2020⁰) : 3 - 1²⁰²⁰] + 2•5³ =
= [(2020 - 1) : 3 - 1] + 2 - 125 =
= (2019:3-1) + 2 - 125 =
= ( 673 - 1 ) + 2 - 125 =
= 672 + 2 - 125 =
= 549
Răspuns: 549