8/27的-1/3次+(-3.7)的0次-4的（log以2為底根號(hào)3的對(duì)數(shù)）次方
=(2/3)的-1次+1-2的（2log以2為底根號(hào)3的對(duì)數(shù)）次方
=3/2 +1-2的（log以2為底3的對(duì)數(shù)）次方
=3/2+1-3
=3/2-2
=-1/2
注：利用a的(loga m)次方=m
和nloga m=loga (m的n次方)