<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>20170</termId><termName>Matemáticas</termName><termType>TT</termType><termCreatedDate>2014-09-15 20:07:28</termCreatedDate><relation><relationType>NT</relationType><termId>20187</termId><termName>Análisis matemático</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>20171</termId><termName>Geometría</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>20214</termId><termName>Matemáticas financieras</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11178</termId><termName>Matemáticas recreativas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3836</termId><termName>Discalculia</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>24849</termId><termName>Economía matemática</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>28922</termId><termName>Lógica matemática</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>20691</termId><termName>Series (Matemáticas)</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>34061</termId><termName>Aritmética</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>15815</termId><termName>Física matemática</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>15817</termId><termName>Dinámica</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>11172</termId><termName>Álgebra</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>25084</termId><termName>Trigonometría</termName><termType>PT</termType></relation></term>  </Zthes>