Question
Complete the number pattern. Fill in the missing number.
2499, (a)          , 2513, 2520, (b)           , 2534
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.
2499, (a)          , 2513, 2520, (b)           , 2534