Minus One Party

Weekly Problem 47 - 2013
What is the value of the given expression?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
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Problem



Calculate $[(-1) + (-1)^2 ]\div [(-1)-(-1)^2]$

 

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.