Question

CMR \(3^{2010}+5^{2010}\)chia hết cho 13

Answer 1

ta có: 3²⁰¹⁰ + 5²⁰¹⁰ = (3³)⁶⁷⁰ + (5²)¹⁰⁰⁵ = 27⁶⁷⁰ + 25¹⁰⁰⁵ = (26 + 1)⁶⁷⁰ + (26 - 1)¹⁰⁰⁵ = 26A + 1⁶⁷⁰ - 1¹⁰⁰⁵ = 26A chia hết cho 13

=> 3²⁰¹⁰ + 5²⁰¹⁰ chia hết cho 13

t i c k nha!!!  6756845645765576599435256344465757686878976

Answer 2

=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 :}