Question
Complete the number pattern. Fill in the missing number.
8474, (a)          , 8480, 8483, (b)           , 8489
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.
8474, (a)          , 8480, 8483, (b)           , 8489