56 . 56 = A.   1254
B.   2 . 56
C.   2512
D.   536
E.   106
A    B    C    D    E 

[ 4-0136 - op net sinds 25.9.99-(E)-25.10.2023 ]

Oplossing - Solution

1ste manier :
56.56 = 256 = (5²)6 = 512 = (5³)4 = 1254
2de manier :
56.56 = 512 = (5³)4 = 1254
3de manier :
56.56 = (56)2 = 512 = (5³)4 = 1254
GWB