Question

efectuati a)12^55:6^55:2^50-7^1•5^0+13^2

Answer 1

12⁵⁵:6⁵⁵:2⁵⁰-7·1+13²=
(2·6)⁵⁵:6⁵⁵:2⁵⁰-7+169=
2⁵⁵·6⁵⁵:6⁵⁵:2⁵⁰-7+169=
2⁵-7+169=
32-7+169=
25+169=
194

Answer 2

a) 12^55:6^55:2^50-7^1*5^0+13^2
     =(12:6)^55:2^50-7*1+169=
     =2^55:2^50-7+169=
     =2^5-7+169=
     =32-7+169=
     =25+169=194