lg 0.001/lg2= - lg1000/lg2= - 3/lg2= -3/0.3010= -9.9658//lg1000/lg2怎么计算出-3/lg2的?

问题描述:

lg 0.001/lg2= - lg1000/lg2= - 3/lg2= -3/0.3010= -9.9658//lg1000/lg2怎么计算出-3/lg2的?