Question
Complete the number pattern.

25, 55, 355, 385, 685, 715, 1015, (a)        , (b)        , 1375
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.

25, 55, 355, 385, 685, 715, 1015, (a)        , (b)        , 1375