2) 24 11/36 - 5 25/36=23 47/36 -5 25/36=18 22/36= 18 11/18
1)9 5/12 - 4 7/12= 8 17/12 - 4 7/12=4 5/6
Log(27) 8=log(3^3) (2^3)=1/3 *(3log(3) 2=log(3) 2=log(7) 2 /log(7) 3;
log(3) 7=log(2) 7/log(2) 3;
7^log(27) 8 : 2^log(3) 7=7^( (log(7) 2 /log(7) 3) :2^(log(2) 7/log(2) 3)=(7^log(7) 2)^(1/log(7) 3) :(2^log(2) 7)^(1/log(2) 3)=2^(1/log(7) 3) : 7^(1/log(2) 3=2^(1:(log(2)3/log(2)7)) :7^(1:(log(7) 3/log(7) 2))=2^(log(2) 7/log(2) 3) : 7^(log(7) 2 / log(7) 3)=7^(1/log(2) 3 ) : 2^(1/log(7)3)=7^(log(7) 2/log(7) 3) :2^(log(2) 7 /log(2)3)=2^(1/log(7)3) : 7^(1/log(2) 3)=
=2^log(3) 7 : 7^(log(7) 2/log(7)3)=2^log(3) 7 :2^(1/log(7) 3=2^log(3) 7 :2^log(3)7=1
1 1/5 : 2 2/9=27/50
и все..........