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Question Number 160829 by cortano last updated on 07/Dec/21
Commented by blackmamba last updated on 07/Dec/21
$$\left(\mathrm{6}−\mathrm{1}\right)!×\mathrm{6}×\mathrm{5}×\mathrm{4}\:=\:\mathrm{120}×\mathrm{120}=\mathrm{14400} \\ $$