1) \dfrac{A_{10}^4-A_9^3}{A_8^2}= ; 2) \dfrac{A_{12}^4+A_{11}^3}{A_{10}^2}= ; 3) \dfrac{A_{16}^3\cdot A_{13}^1}{A_{32}^3}= ; 4) \dfrac{A_{15}^2\cdot A_{13}^3}{A_{14}^5}= .
Задание

Найди значение выражения

  1. \(\dfrac{A\_{10}^4-A\_9^3}{A\_8^2}=\) [ ];

  2. \(\dfrac{A\_{12}^4+A\_{11}^3}{A\_{10}^2}=\) [ ];

  3. \(\dfrac{A\_{16}^3\cdot A\_{13}^1}{A\_{32}^3}=\) [ ];

  4. \(\dfrac{A\_{15}^2\cdot A\_{13}^3}{A\_{14}^5}=\) [ ].