Вычислите 5^8+5^6/2*5^7

Question

Вычислите 5^8+5^6/2*5^7

Answer 1

5^8 + 5^6 = 5^8+6=10^14/10^7 = 10 ^14-7=10^7

Answer 2

=5^6(5^2+1)/2×5^7=
=(25+1)/2×5=26/10=2.6