Knights of the Lost Calculus

"Which creature has one voice and yet becomes four-footed and two-footed and three-footed?"
Asked the Sphinx, who had just been discovered by adventurers after centuries of isolation.

Little did he know that his riddle has been asked and answered millions of times during his dormancy.
Enraged by the adventurers who ridiculed his riddle, the Sphinx decided to challenge them with a new game:

They were sent to the Sphinxs secret dungeon, and must solve all the puzzles the Sphinx prepared for them!


【Gameplay】
The Sphinx will hurl numerous Math equations at you.
For correct equations, answer 「○」
For wrong equations, answer 「×」
Race against the clock, take your best hi-score and longest combo to dominate the leaderboard!