fiecare numar e inmultit
ex:
[tex] {2}^{2} = 2 \times 2 = 4 \\ {2}^{3} = 2 \times 2 \times 2 = 8 [/tex]
[tex]1a) \\ {1}^{3} = 1 \times 1 \times 1 = 1 \\ {2}^{3} = 2 \times 2 \times 2 = 8 \\ {3}^{3} = 3 \times 3 \times 3 = 9 \times 3 = 27 \\ {4}^{3} = 4 \times 4 \times 4 = 16 \times 4 = 64 \\ = > 1 + 8 + 27 = 64 \: (fals)[/tex]
succes