Question
What are the missing numbers?
1357, (a) _____ , 1377, 1387, (b) _____ , 1407
1 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

What are the missing numbers?
1357, (a) _____ , 1377, 1387, (b) _____ , 1407