Question

calcular

83!/81!+82! * 40!+41!/42!

Answer 1

$<var>\\\frac{83!}{81!+82!}\cdot\frac{40!+41!}{42!}=\\ \frac{83!}{81!\cdot83}\cdot\frac{40!\cdot42}{42!}=\\ 82\cdot41=\\ 3362 </var>$

Answer 2

Respuesta:

2

Explicación paso a paso:

83*82*81! / 81! + 82*81! × 40! + 41*40! / 42*41*40!

83*82/1+82 × 1+41 / 42*41

82/41 = 2