Question

efectuati 2^4 - 3 • [7•3-2•(6^2-2^3): 4 ] + 1^2013

Answer 1

$2^4-3 \cdot [7 \cdot 3-2 \cdot (6^2-2^3):4]+1^{2013}= \\ =2^4-3 \cdot [21-2 \cdot (36-8):4]+1=16-3 \cdot (21-2 \cdot 28:4)+1= \\ =16-3 \cdot (21-2 \cdot 7)+1=16-3 \cdot (21-14)+1= \\ =16-3 \cdot 7+1=16-21+1=-5+1=-4$