查人人中国名人网previous:帮我计算一下
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/10 04:28:31
lg5*lg8000+lg1/6+lg0.06
lg5*lg8000+lg1/6+lg0.06
=lg5*(3*lg20)+lg(1/6*0.06)
=3*lg5*lg20+lg0.01
=3*lg5*(lg10+lg2)-2
=3*(1-lg2)(1+lg2)-2
=3*(1-lg2*lg2)-2
=1-3*lg2*lg2
0.728142825
0.728142825
0.728142825
0.728142825