Mathematical and Physical Journal
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Problem K. 443. (December 2014)

K. 443. The equality \(\displaystyle \overline{ab}_{7} +\overline{cd}_{7} =100_{7}\) holds in base seven notation. What may \(\displaystyle \overline{ab}_{10} +\overline{cd}_{10}\) be in decimal notation?

(6 pont)

Deadline expired on January 12, 2015.


Statistics:

76 students sent a solution.
6 points:Agócs Katinka, Benda Orsolya, Dömötör Emőke, Encz Koppány, Farkas Lilla, Farkas Panka, Fekete Balázs Attila, Fekete Zsófia, Földi Anna, Hegedűs 330 Marcell, Hidy Gábor, János Zsuzsa Anna, Kollár Johanna, Koronczi Fanni, Korpás Isabel, Lakatos Ágnes, Maksa Gergő, Márton Anna, Mészáros Melinda, Nagy 527 Balázs, Nagy Viktor, Németh Csilla Márta, Öcsi Rebeka, Páhoki Tamás, Posch Levente Ágoston, Rátkai Petra, Sisák László Sándor, Slenker Balázs, Szakali Benedek, Tamási Kristóf Áron, Thuróczy Mylan, Veliczky Barnabás, Wenczel Kata.
5 points:18 students.
4 points:8 students.
3 points:4 students.
2 points:5 students.
1 point:1 student.
0 point:7 students.

Problems in Mathematics of KöMaL, December 2014