A) 25-[ 2×(1-3)³+2³:(-3)²= 25 - [ 2*(-2)³ + 8 : 9] = 25 - (-16 + 8/9 ) = 25 + 16 - 8/9 = 41 - 8/9 = 40 i 1/9
B) [ (2-3)²+(-1)⁵]²= [ ( -1)² - 1 ]² = 0² = 0
C) [(-1)⁵-(-1)⁴]³= ( -1 - 1 )³ = ( -2 )³ = -8
D) (2-3)³-54:(-3)²= (-1)³ - 54 : (-9) = -1 + 6 = 5
