(-0.5)²+(-1/2)²-|(-2)²-4|-(3/2)³÷(-1/2)^4=(-1/2)²+(-1/2)²-|(-2)²-4|-(3/2)³÷(-1/2)^4=1/4+1/4-|4-4|÷1/8=1/4+1/4-0÷1/8=1/2
