Question
What are the missing numbers?
(a) 165 + 255 = 728 -             
(b)              - 320 = 163 + 236
4 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?
(a) 165 + 255 = 728 -             
(b)              - 320 = 163 + 236