Algebra, Geometry, International Mathematical Olympiads, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
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Algebra, Geometry, International Mathematical Olympiads, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
90=(7x5x3)-(7+5+3)
ΑπάντησηΔιαγραφή13=(6x4x1)-(6+4+1)
80=(8x6x2)-(8+6+2)