Răspuns :
25^2:5^4-760^0=
=(5^2)^2:5^4-1=
=5^4:5^4-1=
=5^0-1=
=1-1=0
=(5^2)^2:5^4-1=
=5^4:5^4-1=
=5^0-1=
=1-1=0
25 la puterea a doua=25*25=625;
5 la puterea a 4-a=5*5*5*5=625;
760 la puterea 0=760;=>625:625=1-760=-759