Răspuns :
Răspuns:
{8+2×[9+9×(7+6)]}×2-92=
[8+2×(9+9×13)]×2-92=
[8+2×(9+117)]×2-92=
(8+2×126)×2-92=
(8+252)×2-92=
260×2-92=
520-92=428
Explicație pas cu pas:
ღSalutare!ღ
{8+2×[9+9×(7+2×3)]}×2-4×23=
={8+2×[9+9×(7+6)]}×2-92=
=[8+2×(9+9×13)]×2-92=
=[8+2×(9+117)]×2-92=
=(8+2×126)×2-92=
=(8+252)×2-92=
=260×2-92=
=520-92=
=428
Succes!!;)