(2又7/9)的0.5次方+0.1的负二次方+(2又10/27)的负三分之二次方-3(x的0次方)+37/48=(25/9)的0.5次方+0.1的负二次方+(64/27)的负三分之二次方-3*1+37/48=5/3+100+9/16-3+37/48=80/48+97+27/48+37/48=97+3=100...