<?xml version="1.0" encoding="UTF-8"?>
<response><unit><id>2fe4185a-b400-4958-b42d-c5cb738d9694</id><parent_id>94581859-6e4b-42a7-baba-6d14c44c2299</parent_id><number>4.14.4</number><names>[{"lang":"es","name":"Números complejos en forma polar: modulo y argumento"},{"lang":"en","name":"Complex numbers in the polar form: module and argument"},{"lang":"ca","name":"Nombres complexos en forma polar: mòdul i argument"}]</names><difficulty>7</difficulty><created>7/18/16, 11:43 AM</created><modified>7/18/16, 11:43 AM</modified></unit></response>
