unicornsflyhigh unicornsflyhigh 26-10-2018 Mathematics contestada Which expression shows you how you can use mental math to simplify the expression (53 + 23) + 7 most easily? A. 7 + (23 + 53) B. (23 + 53) + 7 C. 53 + (23 + 7) D. 7 + (53 + 23)
