$Α \times Β \times Γ \times Δ$

Αν

$Α =\sqrt{2- \sqrt{2+ \sqrt{2+ \sqrt{3}}}}$

$Β =\sqrt{2+ \sqrt{2+ \sqrt{2+ \sqrt{3}}}}$

$Γ =\sqrt{2+ \sqrt{2+ \sqrt{3}}}$

$Δ = \sqrt{2+ \sqrt{3}}$

τότε

$Κ=Α \times Β \times Γ \times Δ$.