lg1/2-lg5/8+lg12.5-(log23)(log32)详细结果
问题描述:
lg1/2-lg5/8+lg12.5-(log23)(log32)详细结果
答
lg1/2-lg5/8+lg12.5-(log23)(log32)
=-lg2-lg5+lg8+2-lg8-lg3/lg2*lg2/lg3
=-1+2-1=0