23.43  = A.   29
B.   243
C.   63
D.   66
E.   86
A    B    C    D    E

[ 2-2030 - op net sinds 22.7.99-(E)-25.10.2023 ]


Oplossing - Solution

ste manier :
2³.4³ = (2.4)³ = 8³ = (2³)3 = 2³.³ = 29
2de manier :
2³.4³ = 2³.(2²)³ = 23.26 = 23+6 = 29