A geometric one, where the zero can be made a cake (circle) itself $$ x^2 + y^2 -1 = \Huge \circ $$
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1 | [made Community Wiki] | ||
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1 | [made Community Wiki] | ||
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A geometric one, where the zero can be made a cake (circle) itself $$ x^2 + y^2 -1 = \Huge \circ $$ |
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