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'x + y' and 'y + x' are equivalent.
'(x + y) * (x - y)' and 'x^2 + y^2' are not equivalent.
'(x + y) * (x - y)' and 'x^2 - y^2' are equivalent.
An organised event
A traditional gathering
With family and friends
I don't celebrate the New Year
Adjusting my clocks for the Leap Second
I can't remember
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