SolutionSolution by darktoaster · FRPremieˋre fraction\textbf{Première fraction}Premieˋre fraction5!4!=5⋅4⋅3⋅2⋅14⋅3⋅2⋅1=5\frac{5!}{4!} = \frac{5 \cdot 4 \cdot 3 \cdot 2 \cdot 1}{4 \cdot 3 \cdot 2 \cdot 1} = 54!5!=4⋅3⋅2⋅15⋅4⋅3⋅2⋅1=5\newlineDeuxieˋme fraction\textbf{Deuxième fraction}Deuxieˋme fraction6!8!=6⋅5⋅4⋅3⋅2⋅18⋅7⋅6⋅5⋅4⋅3⋅2⋅1=18⋅7=156\frac{6!}{8!} = \frac{6\cdot5\cdot4\cdot3\cdot2\cdot1}{8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot1} = \frac{1}{8\cdot7} = \frac{1}{56}8!6!=8⋅7⋅6⋅5⋅4⋅3⋅2⋅16⋅5⋅4⋅3⋅2⋅1=8⋅71=561
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