-0.5²+(-½)²-|-2²-4|-(-1½)³×(3分之1)³÷(-½)的四次方

问题描述:

-0.5²+(-½)²-|-2²-4|-(-1½)³×(3分之1)³÷(-½)的四次方

-0.5²+(-½)²-|-2²-4|-(-1½)³×(3分之1)³÷(-½)的四次方
=-0.25+1/4-l-4-4l+(1½)³×(3分之1)³÷1/16
=-0.25+0.25-8+(3/2x1/3)³x16
=-8+(1/2)³x16
=-8+1/8x16
=-8+2
=-6|-2²-4|不是8么 |-(2×2)-4|??不是这样吗|-2²-4|=l-4-4l=8 呀