About this document

Basic Addition and Subtraction Examples by David Nallapu is a document available to read on EtoBox.

The document provides examples of addition and subtraction problems with parentheses. In a), 3 + (6 + 2) is calculated as (6 + 2) = 8, then 3 + 8 = 11. In b), 18 - (4 + 7) is calculated as (4 + 7) = 11, then 18 - 11 = 7. In c), 12 - (4 - 2) is calculated as (4 - 2) = 2, then 12 - 2 = 10. In d), (12 - 4) - 2 is calculated as (12 - 4) = 8, then 8 - 2 = 6.

Author

David Nallapu

Language

EN