lg2=0.3010,lg 3=0.4771,则lg 6=?
问题描述:
lg2=0.3010,lg 3=0.4771,则lg 6=?
答
前两个加起来。0.7781
答
lg6=lg(2x3)
=lg2+lg3
=0.3010+0.4771
=0.7781