How Can You Solve the 3x3 Square and Common Sum Puzzle?

[K Sengupta]

Substitute each of the capital letters by a different digit from 0 to 9, such that each of the columns, each of the rows and each of the two main diagonals of this 3x3 square have the common sum LRK. It is known that L is nonzero and, each of the numbers in the nine cells contains non leading zero.

CL     RO     OR
EK     HS     AA
KE     KB     SH

 

[Edgardo]

Assuming that you mean LRK = 100*L + 10*R + K and not the product L*R*K I get:

Spoiler

a = 2 b=0 c=3 e=9 h=5 k=4 l=1 o=6 r=7 s=8
lrk=174

31 76 67
94 58 22
49 40 85