Question

ultima cifra a unui cub perfect pana la 9

Answer 1

   
n ∈ {0; 1; 2; 3; 4; 5; 6; 7; 8; 9}

0³ = 0
1³ = 1
2³ = 8
3³ = 27
4³ = 64
5³ = 125
6³ = 216
7³ = 343
8³ = 512
9³ = 729

U(n^3) ∈ {0; 1; 2; 3; 4; 5; 6; 7; 8; 9}