Answers: 2
![\bf \cfrac{9!9!}{10!7!}\implies \cfrac{~~\begin{matrix} 9! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~9\cdot 8\cdot ~~\begin{matrix} 7! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{10\cdot ~~\begin{matrix} 9! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~\cdot ~~\begin{matrix} 7! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{72}{10}\implies \cfrac{36}{5}\implies 7.2](/tpl/images/0278/6406/76fa7.png)
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Find the values of the falowing 9! 9! /10! 7!...
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