Question
Complete the number pattern.

(a)           , 6013, 5513, (b)           , 4513, 4013
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)           , 6013, 5513, (b)           , 4513, 4013