Question

Помогите пожалуйста номер 5 и номер 6

Answer 1

5) x = 6, x = 6,
y = 6, y = 6,
z = 5, z = 5.
6) 123 × 64 + 84 × 25 + 36 × 123 = 14400
1) 123 × 64 = 7872,
2) 84 × 25 = 2100,
3) 36 × 123 = 4428,
4) 7872 + 2100 = 9972,
5) 9972 + 4428 = 14400.