A | B |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
Add or subtract,  | Answer,  |
|