matematykaszkolna.pl
logarytmy log: log765 + log767= log5+log25= 101+log2=
20 mar 17:24
Mila: 1) log7(65 )+ log7(67)= =5log7(6)+7log7(6)=12log7(6) 2) log(5)+log(25)=log(5*25)=log(10)=1 3)101+log2=101*10log2=10*2=20
20 mar 17:42