Calculeaza: [(2²-3)-7+7 la puterea 0]:2³=?


Vă rog!!!!


Răspuns :

(4-3-7+1):8=
(1+1-7):8=
-5/8=-5:8=-0,625
as simple as that!
2 la puterea 2=4 4-3=1 1-7=6 6+7=13. 2 la puterea 3=8. 13÷8=1