ChaoticNeutralCzech, 1 year ago (edited 1 year ago)

In my country, squared paper notebooks are usually green, lined red and blank blue. It’s been like that for decades. So math is green.

https://www.rajobalek.cz/_obchody/rajobalek.web5.cz/prilohy/2/skolni-sesit-445e-ctvereckovany-a4.jpg.big.jpghttps://i.actva.cz/i/1/1/b79/60b79/600x600/dFaL4e_600x600_05bce2da53205bbe.jpghttps://i.actva.cz/i/1/1/91d/5691d/600x600/VzHsId_600x600_ca449c138262391f.jpg