log2 1-lg3×log3 2-lg5
问题描述:
log2 1-lg3×log3 2-lg5
答
log₂1-lg3×log₃2-lg5原式=0-(lg3×log₃2+lg5)=0-﹙㏒₃3/㏒₃10 ×log₃2 + ㏒₃5/㏒₃10﹚=0-[1/㏒₃10 (㏒₃2 +㏒₃5)]=0-(1/㏒₃10 ×...呵呵,我们也是这周的数学试卷也,有缘