Question
Complete the number pattern.
 (a)             , 4506, 4416, 4326, (b)             , 4146
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Complete the number pattern.
 (a)             , 4506, 4416, 4326, (b)             , 4146