Question

Помогите решить, пожалуйста:

log0,01 0,64 + log100 0,16 + log√10 √20

Answer 1

log0.01 0.64 + log100 0.16 + log√10 √20 = -lg0.08 + lg0.04 + lg20 = lg (0.8/0.08) = lg10 = 1

Answer 2

http://ru.onlinemschool.com/math/formula/logarithm_formula/