Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
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Σχόλια ανάρτησης (Atom)
Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
6+14=20
ΑπάντησηΔιαγραφή1+4+10=15
5+7+8+11=31
2+3+9+12+13=39