Răspuns:
2¹⁵×2³⁷:4²⁵+(3⁵)⁷:9¹⁷-1²⁰¹⁵=
2¹⁵⁺³⁷:2²ˣ²⁵+3⁵ˣ⁷:3²ˣ¹⁷-1=
2⁵²:2⁵⁰+3³⁵:3³⁴-1=
2⁵²⁻⁵⁰+3³⁵⁻³⁴-1=
2²+3¹-1=
4+3-1=6