kenchung(25)•in #chainbb-general•3144 days ago[Free Steem!] Mathematics × Programming Competition #1Welcome to the 1st Mathematics × Programming Competition! --- Question Difficulty index: 4 / 10 Kenchung has 90 SBD and goes to a store to buy stationery. A pen...12829$11.84kenchung(25)•in chainbb-general•3144 days ago[Free Steem!] Mathematics × Programming Competition #1Welcome to the 1st Mathematics × Programming Competition! --- Question Difficulty index: 4 / 10 Kenchung has 90 SBD and goes to a store to buy stationery. A pen...12829$11.84