Log5 23+log5 10/23 +log5 12,5
Log5 23+log5 10/23 +log5 12,5= log5 125= 3 1.Log5 23+log5 10/23= log5 23*10/23=log5 10 2.log5 10+log5 12,5=log5 10*12,5= log5 125