30 + 31 + 32 = A.   9
B.   10
C.   12
D.   13
E.   27
A    B    C    D    E 

[ 1-6037 - op net sinds 5.4.10-(E)-27.10.2023 ]

Oplossing - Solution

30 + 31 + 32 = = 1 + 3 + 9 = 13
GWB