User talk:JordiGH: Difference between revisions

No change in size ,  11 September 2013
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<math>\int_a^b f(x) dx = \sum_{x \in Y} \oint_{\partial x} \omega </math>
<math>\int_a^b f(x) dx = \sum_{x \in Z} \oint_{\partial x} \omega </math>