1) log0,5log3(81) = log0,5(4) = log2(4^(-1)) = log2(2^(-2)) = - 2
2) log4(Sinp/6) = log4(1/2) = - 0,5
3) log169(13) - log3(1/81) + 2log3(³√3 )= 1/2 + 4 + 2/3 = 4 + (1)1/6 = (5)1/6
7) log√2(1024) = log2(32) = log2(2^5) = 5
10) 2^(1/2log81(2)) = 2^(log4(81) = 2^(log2(9)= 9