\(21^{2016}=7^{2016}\times3^{2016}=\left(...9\right)^{2016}\times\left(...9\right)^{2016}=\left(...81\right)^{2016}\)
Vậy hai chữ số tận cùng là 81
the two last digits of 25^2016
The two last digits of 25^2016
Determine the units digits in the following addition: 12 + 22 + 32 + … 20162 + 20172.
Determine the units digits in the following addition: 12 + 22 + 32 + … 20162 + 20172.
Determine the units digits in the following addition : 12 + 22 + 32 + … 20162 + 20172 .
The two last digits of 25^2016 is ....
the two last digits of 252016
the two last digits of 252016
