Question
Complete the number pattern.

(a)           , 7578, 7078, (b)           , 6078, 5578
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)           , 7578, 7078, (b)           , 6078, 5578