Question

(10!)^2-(7!)^2/(8!)^2-(7!)^2

Answer 1

$frac{(10!)^{2} - (7!)^{2}}{(8!)^{2} - (7!)^{2}}$ = $frac{(10!)^{2}}{(8!)^{2}}$ = $(frac{10!}{8!})^{2}$ = $( frac{10*9*8*...*1}{8*7*...*1} )^{2}$ = $(10 * 9)^{2} = 8100$

Answer 2

блин

Answer 3

реши ещё раз пожалуйста

Answer 4

(10!)^2-(9!)^2/(8!)^2-(7!)^