2乘log5的底数以10的对数加log5的底数以0.25的对数等于多少
问题描述:
2乘log5的底数以10的对数加log5的底数以0.25的对数等于多少
答
2*log5.10+log5.o.25
=log5.10+log5.10+log5.0.25
=log5.10*10*0.25
=log5.25
=5