egregiousderp
reblogged your post and added:
Aw. That’s completely fair, Yi. I see a lot of…
It just shows how bad the basic education is in the US (unless it’s for rich ppl I guess). Those basic math were taught and imprinted during our time in elementary school. I’m not even talking about the more difficult shits, just basic +-*/ you actually use and is actually useful in daily life.