(-3又8分之3)^﹣2/3+(0.002)﹣½-10(√5-2)﹣¹+(√2-√3)º=(-27/8)^﹣2/3+(1/0.002)½-10×1/(√5-2)+1=(-8/27)^2/3+√500-10(√5+2)/[(√5-2)(√5+2)]+1=4/9+10√5-10√5-20+1=-18又9分之5