Ответ:

9876*8096:451*4563159-(156*632) = 9876 * 17  39/41 * 4563159 - 98592 = 9876 * 81914268 36/41 - 98592 = 808985319439 25/41 - 98592 = 808985220847 25/41

9876*8096:451*4563159-(156*632)

((9876*8096)/451)*4563159-98592

((9876*736)/41)*4563159-98592

(7268736/41)*4563159-98592

(33168398097024/41)-98592

33168394054752/41