问题
填空题
计算：lg20+log10025=______．
答案
lg20+log10025
=lg20+lg5 lg10
=lg20+lg5
=lg100
=2．
故答案为：2．
搜题请搜索小程序“爱下问搜题”
计算：lg20+log10025=______．
lg20+log10025
=lg20+lg5 lg10
=lg20+lg5
=lg100
=2．
故答案为：2．