Question
Find the missing digits. 
3 Y Z + A Z 4 = 4 Z 7
(a) Y
(b) Z
(c) A
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

Find the missing digits. 
3 Y Z + A Z 4 = 4 Z 7
(a) Y
(b) Z
(c) A