1) 10^(lg 1/5 + lg 2) = 10^(lg(1/5 * 2)) = 10^(lg 0.4) = 10^(-0.4) = 0.3981
2) 5log7√5^49 + log2(log3√3^27)= 5log7(7) + log2(log3(3))= 5 + log2(1)= 5 + 0= 5
Ответ:1) 0.39812) 5
1) 10^(lg 1/5 + lg 2) = 10^(lg(1/5 * 2)) = 10^(lg 0.4) = 10^(-0.4) = 0.3981
2) 5log7√5^49 + log2(log3√3^27)
= 5log7(7) + log2(log3(3))
= 5 + log2(1)
= 5 + 0
= 5
Ответ:
1) 0.3981
2) 5