SOLUTION: Is it possible to add real numbers without knowing how to calculate a-b with a and b both non-negative and a>b?

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Question 178139This question is from textbook elementary and intermediate algebra
: Is it possible to add real numbers without knowing how to calculate a-b with a and b both non-negative and a>b?
This question is from textbook elementary and intermediate algebra

Answer by cartert(27)   (Show Source): You can put this solution on YOUR website!
no