Question
Complete the number pattern.

(a)           , 9040, 8140, (b)           , 6340, 5440
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)           , 9040, 8140, (b)           , 6340, 5440