In
a Date Magic square, the date of birth: 22-12-1887 is written
as four numbers in four squares.
The
following are sequences of pairs of numbers in square boxes:
22 + 87 = 27 + 82 (a choice)
12 + 18 = 4 + 26 (a choice)
4 + 87 = 84 + 7 (a choice)
22 + 26 = 16 + 32 (a choice)
4 + 22 = 24 + 2 (a choice)
2nd row:
139 - 84 - 32 - 2 = 21
139 - 16 - 7 -24 = 92.