Răspuns:
(4⁴:2⁶+3¹²¹:9⁶⁰+25³:5⁴):4=
[(2²)⁴:2⁶+3¹²¹:(3²)⁶⁰+(5²)³:5⁴]:4=
(2⁸:2⁶+3¹²¹:3¹²⁰+5⁶:5⁴):4=
(2⁸⁻⁶+3¹²¹⁻¹²⁰+5⁶⁻⁴):4=
(2²+3¹+5²):4=
(4+3+25):4=
32:4=8