▲ 16 r/matiks

Don’t use a calculator.

Comment down what time it takes for you to solve this mentally (without pen/pencil and paper)

Do try, it's fun.

u/Many_Audience7660 — 10 hours ago
▲ 40 r/matiks

crack this one out! 👀

Also mention the total time it took for you to solve this one mentally!

u/Many_Audience7660 — 1 day ago