Post #298 40.1K Apr 26, 2020, 21:55 UTC 1⃣#Algebra📈📉#Netherlands🇳🇱2⃣#Combinatorics📦💡#Japan🇯🇵3⃣#Geometry📐📏#Canada🇨🇦4⃣#Number_Theory➕➖#UK🇬🇧 👍 4