1P 73 AZ AZXLIX1    => 1 + 7 = A + A => A = 4=> 1 + 3 = Z...

Câu 523:

1

P

7

3

A

Z

A

Z

X

Li

1

=> 1 + 7 = A + A => A = 4=> 1 + 3 = Z + Z => Z = 2Đáp án: D