956^2-44^2/406 + 38^2-17^2/72^2-12^2

Question

956^2-44^2/406 + 38^2-17^2/72^2-12^2

Answer 1

956^2=913936

44^2/406 = 4,77

38^2 =1444

17^2/72^2 = 289/5184 = 0,06

12^2 = 144

Ответ 915231,17