-0.5²+1/4-|-2²-4|-(-3/2)³*4/9

问题描述:

-0.5²+1/4-|-2²-4|-(-3/2)³*4/9

-0.5²+1/4-|-2²-4|-(-3/2)³*4/9
=-0.25+0.25-8+27/8x4/9
=-8+3/2
=-6.5