Question

Tìm 2 chữ số tận cùng của:

\(51^{51}\)\(;\)\(99^{99^{99}}\)\(;\)\(6^{666}\)\(;\)\(14^{101}\)\(;\)\(16^{101}\)

Answer 1

51^51 co tan cung la 1

Answer 2

6^666 co tan cung la 6

Answer 3

 51^51 co tan cung 1

6^666 co tan cung la 6

16^101 co tan cung la 6

ket luan: cac luy thua co chu so tan cung cua co so la 1;0;5;6 khi nang len luy thua bat ky thi se co so tan cung la chinh no

Answer 4

chu so tan cun g ko phai la so mu nha, ma la chu so ran cung cua co so

Answer 5

14^101=14^100.14

 =(14^4)^25.14

=(.....6)^25.14

=(.....6).14

=(....4)

Answer 6

99^99^99=99^9801

=99^9800.99

=(99^4)^2450.99

=(...1)^2450.99

=(...1).99

=(...9)

Answer 7

trả lời buồn cười thế bạn kia