Japanese Math Olympiad Mystery: Are You Up for the Challenge? | Can You Crack This Japanese Problem

[@akmmonirulislam3961]

a^3/3a=6
or a^2=18
or a=√18=+/-3^2 ans.

[@Smartmathtricks-c3t]

Thank you for your comments

[@BalancedThinker31]

This is a 10 second problem. Took 10 mins to show