Question
Complete the number pattern. Fill in the missing number.
7522, 7527, (a)           , 7537, 7542, (b)           
1 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. Fill in the missing number.
7522, 7527, (a)           , 7537, 7542, (b)