Question

(0,6:0,15)^2 - 6,4*0,4+1,28

Answer 1

4^2-16+1.28=16-16+1.28=1.28

Answer 2

1)4^2-6.4•0.4+1.28
2)16-6.4•0.4+1.28
3)17.28-6.4•0.4
4)17.28-2.56=14.72
Ответ: 14.72