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  <title>www.privateteacher.gr - Latest Forum Posts</title>
  <link>http://www.privateteacher.gr/forum</link>
  <description>Private Teacher Forum</description>
  <language>el-gr</language>
  <pubDate>Tue, 10 Jun 2003 04:00:00 GMT</pubDate>
  <copyright>(c) www.privateteacher.gr</copyright>
  <managingEditor>info@privateteacher.gr</managingEditor>
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                                  <item>
                                  <title>???????? :?????????, ????????, ????????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=83</link>
                                  /*<description>????????? ??? ??? ????? ???????????? ??????? ??????? ??? ?? Goethe Institut ???? 4 ???????. ???? ?? ???? ?? ???????? ??? ????? ???????????.</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Mon, 20 Feb 2012 02:44:15 -0700</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=83</guid>
                                      </item>
                                  <item>
                                  <title>????????????????? ????? ???? ??????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=16&amp;topic=49&amp;post=82</link>
                                  /*<description>???? ?????? ? ???????? ??? ????????????? ???? ?? ?????????? ???????? ??? ???? ??? ????? ??? ???????????? ?????. ??????? ??? ??? 8 ?????????? ??? ????????????? ???? 6 ??????????, ????? ??? ?????????. ???? ?? ???????? ????? ??? ???????? ?? ?????? ????????????? ?? ????????????, ????????????????? ??????, ??? ??????????? ????? ??? ???? ????????? ???????????? ????????.&lt;p&gt;

??????? ?????????? ?? ????????? ???? 23 ??? 24 ?????????? ??? ??????? ????????? ?? ??? ??????????? ????? ?????? ???? ?? ??????????.?? ???????? ??????? ??? ?????? ???????????? ??????????, ??????? ?????????? ? ???? ??? ????? ?????????? ?????. ?? ??????? ????????, ????????? ?? ?????????, ?.?. ??? ??? ??????, ???? ????? ???????? ??????????, ????? ?????????, ??????? ??? ????? ?????????. ???? 25 ?????????? ???? ?? ??????????? ??????????? ?????, ?? ?????? ?????????? ?? ??????????? ???????? ???? ?????????? ??? ????? ????????? ???? ??? ????????????? ?? ????? ????????? ????.&lt;p&gt;

??????????? ???????? ????? ??? ??????? ??? &lt;a href=&quot;http://italianonlinegr.blogspot.com/2011/12/blog-post.html&quot;&gt;italianonlinegr.blogspot.com&lt;/a&gt;</description>*/
                                  <author>italianonlineprivateteacher.gr(italianonline)</author>
                                   <pubDate>Wed, 21 Dec 2011 01:35:17 -0700</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=16&amp;topic=49&amp;post=82</guid>
                                      </item>
                                  <item>
                                  <title>???????? :?????????, ????????, ????????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=81</link>
                                  /*<description>??? ?? ???? ????????? 2011: 

8/12-10/12 ??? ?? ????????? ????????? ??? ????????????? ?????? ??????????? ???????? ?? ????????? ??? ???????? ????????? ??? ??? Heinrich von Kleist. 

18/12 &quot;Die interaktive Tafel im Deutschunterricht&quot; (? ???????????? ??????? ??? ?????? ??? ??????????) ??? ?? Goethe Institut Athen.</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Thu, 08 Dec 2011 10:34:51 -0700</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=81</guid>
                                      </item>
                                  <item>
                                  <title>??????? ??? ???????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=18&amp;topic=48&amp;post=80</link>
                                  /*<description>???? ???! ????? ?????????? ???????? ??? ?? ??????????? ??? ????? ??? ??????? ??? ??? ?? ??? ???? ??????????? ?????? ??????? ?? ?? ??????? ??????! ??????????, ?????????, ??????...?????????!</description>*/
                                  <author>paulaprivateteacher.gr(paula)</author>
                                   <pubDate>Mon, 19 Sep 2011 04:17:45 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=18&amp;topic=48&amp;post=80</guid>
                                      </item>
                                  <item>
                                  <title>????????? Revisited</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=6&amp;topic=47&amp;post=79</link>
                                  /*<description>?? ??????????? ????? ?????? ?????? ????????, ?????????? ??? ?????? (?1)??? ????????? ???? ??????????
f:A-&gt;R, ?? ??? ?????? ??????????? a ? ?, ?? ??? ???????? ?????:


             &quot;f'(a)=Lim_{h-&gt;0}(f(a+h)-f(a))/h&quot; (1)


?? ??????? L(h)=f'(a)h. ? L ????? ???????? ?????????.  
 ??????????? ???? ??? ???????, ??????????? ??? ? ????? (1), ??? ???????? ??? ? ???????
E(h)=f(a+h)-f(a)-L(h) ???? ???? ????? ???? x-&gt;a. A? ???????????? ??? ?????? (?2):

  &quot;??? ????????? f ???? ????????????, ?? ??????? ???????????? ??? ?????? a ? ? ??? ??? ???? ?? 
??????? ???????? ????????? L:R-&gt;R ?????? ???? ? ??????? E(h)=f(a+h)-f(a)-L(h) ?? ?????? ??? 
 Lim_{h-&gt;0} E(h)=0&quot;.


 ????????? ?????? ?? ??????? ??? ?? ??? ??????? ????? ??????????. ??? ??? ??????????? ????????, ????????? ??? ??? ????????? ??? ?????????? ??? (?1) ?? ?????????? ??? ??? (?2), ?? ???????? ????????? ??? L(h)=f'(a)h. 
 
 ??????????, ??? ??? ????????? ?????????? ??? ?????? (?2), ???? ??????? ???????? ?????????  L:R-&gt;R ?????? ???? ? ??????? E(h)=f(a+h)-f(a)-L(h) ?? ?????? ??? Lim_{h-&gt;0} E(h)=0. ????? ? L ????? ????????,
?? ??????? m ? R ?? L(h)=mh. E????????????????? ??? ????? Lim_{h-&gt;0} E(h)=0 ?? ????? 

 Lim_{h-&gt;0} (f(a+h)-f(a))/h=m

 ??????, ??? ??? (?1), ?????? ??? ? f ????? ???????????? ??? a ?? f'(a)=m. ??????????? ??????? ??? ?? ??? ??????? ????? ??????????, ?????? ??? ?? ???????? ???? ???? ????????? ????????? ???? ??? ????????? ????????????? ?? ???? ??? (?1) ?? ??? ?? ???? ??? (?2) (??? ???????!). ?????? ?????? ??? ??????? ??
???????? ??? ???????? ?? ??????: ???? ??? (?1), ?? ???? ??????. ??? ???? ??? (?2), ?? ?????????? ?? ??? ???????? ?????????. 



 ????????? ???? ??? ????? ???????. ????? ??????? ????? ? ????????????;
???? ?? ??????? ????? ?????????????. ????? ??? ?? ??? ??????? ??? ????? ???? ???????? ??? ????????? ????????????? ????????, ????? ?? ?????????? ?? ????????? ??????? ?? ??? ?????????. ??? ??????????,
? (?1) ????? ?????????? ??? ??? ??????? ???????, ????? ? ?????????? ??? ???????? ????? ?????. ??? ? (?2), ??????????? ?????? ????????? ???? ?????????? ????????? ???? ?????????? ?? ?????????????? ???? ?????????? ??? ?????????, ??? ??????????? ?????? ??????????. 
 
 
 ??????????? ??? ??? ?????? (?2), ??? ??????????? ??? L ??? ??? ??????? ??? ??? ??????? ??? ?????? ??? ??????????? ???? ??????????, ?? ??????? ????.</description>*/
                                  <author>X_Pprivateteacher.gr(X_P)</author>
                                   <pubDate>Thu, 15 Sep 2011 14:45:58 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=6&amp;topic=47&amp;post=79</guid>
                                      </item>
                                  <item>
                                  <title>???????? :????? ?????? ??? Forum ???!</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=8&amp;topic=2&amp;post=78</link>
                                  /*<description>??????? ??? ??????? ??? ??????? ?????????. ?? ????? ???? ????????¨10 ????/ ??? ???¨6980787852</description>*/
                                  <author>raluca.niculescuprivateteacher.gr(raluca.niculescu)</author>
                                   <pubDate>Sat, 10 Sep 2011 02:08:55 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=8&amp;topic=2&amp;post=78</guid>
                                      </item>
                                  <item>
                                  <title>???????? :?????????, ????????, ????????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=77</link>
                                  /*<description>??? ??? ?????????? ????? ????????? ???????? ??? ???????? ??????????? ??????????? ??????? ?? ????? Empowering Language Teaching and Learning (?????????????? ?? ???????? ?????????? ??? ????????) ???? 8 ????????? ??? ?????????? ???????. ????????????: http://www.pekade.gr/</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Sun, 04 Sep 2011 12:09:09 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=77</guid>
                                      </item>
                                  <item>
                                  <title>???????? :?????????, ????????, ????????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=76</link>
                                  /*<description>3. Konferenz Deutsch als Fremdsprache ????  9 - 10 ??????????? 2011. ????????????: http://www.ea.gr/daf/</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Sun, 04 Sep 2011 05:09:09 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=76</guid>
                                      </item>
                                  <item>
                                  <title>?????????, ????????, ????????</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=75</link>
                                  /*<description>?????? ??? ???????? ??? ?????????? ??? ?? ???? ??????, &quot;?????? ????????? ??? ??????, ?? ?????????? ??? ??????????&quot;, ?? ??????????? ?,?? ??????????? ?????????????? ???????? ???.</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Fri, 02 Sep 2011 07:43:47 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=46&amp;post=75</guid>
                                      </item>
                                  <item>
                                  <title>"?????? ??????????? ???? ?? 6 ?????." ??, ???????;</title>
                                  <link>http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=45&amp;post=74</link>
                                  /*<description>????????? ????? ?????? ???????????, ?????? ??? ????????????, ??? ???????? ????????? ???????? ????????? ??? ?????????? ??????? ??? ????????. &quot;?????? ??????????? ??? ????????? ??? ????????????? ???? ?? 6 ?????&quot;. ?? ???????;</description>*/
                                  <author>myreleprivateteacher.gr(myrele)</author>
                                   <pubDate>Tue, 30 Aug 2011 04:05:07 -0600</pubDate>
                            	    <guid isPermaLink="true">http://www.privateteacher.gr/forum/index.php?option=com_ccboard&amp;view=postlist&amp;forum=17&amp;topic=45&amp;post=74</guid>
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