1 A
X 8
____
9 1_
∵ A x A = 1 1 1
∴ A = 1, or A = 5 or A = x 1
____
1 1_
If A =1 then
∵ 119A 1 5
∴ A1 x 5
____
_7 5_
75 9 A
∴ A = 5 1 6
x 6
_____
_9 6_
If A = 6, then
∵ 96 = 9 A
∴ A = 6 is the required values of A.