Question

Calculatimi va rog rapid:
[-2²+(-1)²]:√5²-4²

Answer 1

=(-4+1):5-16=
=(-3):5-16=
=-3/5-16=
(-3-16x5)/5=
(-3-80)/5=-83/5=-16,6

Answer 2

2+1:5-4=3
1)5:1=5
2)2+5=7
3)7-4=3

deoarce$\sqrt{5}^{2} =5$