Срочно логарифмы .........
A^log(a)b=b --------------------------------------- (5^log(5)2+10:10^lg2)/2log(2)5=(2+10:2)/5=(2+5)/5=7/5=1,4 (6²)^log(6)5+10*10^lg2-3^log(3²)6²=6^log(6)25+10*2-3^log(3)6= =25+20-6=39