Question

(-27+43-54+99)°-{-40-2.(-4)³}++(-12)²

Answer 1

(-27 + 43 - 54 + 99)° - [-40 - 2 * (-4)³] + (-12)²
1 - [-40 - 2 * (-64)] + (144)
1 - [-40 + 128] + 144
1 - (88) + 144
1 - 88 + 144
$\boxed{57}$

BONS ESTUDOS!

Answer 2

( - 27 + 43- 54 + 99) - { - 40 - 2 .(-4)³} + ( -12)²
1 - { - 40 - 2.( - 64)}  + ( + 144)
1 - { - 40 + 128} + 144
1 - ( + 88) + 144
1 - 88 + 144
- 87 + 144
+ 57