<form name=""action="">

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<option value="nothing">Wechsel

<option value="bst1-1-1.htm">S1-Skater

<option value="bst1-1-2.htm">S2-Skater

<option value="bst1-1-3.htm">S3-Skater

<option value="bst1-1-4.htm">S4-Skater

<option value="bst1-1-5.htm">S5-Skater

<option value="bst1-1-6.htm">S6-Skater

<option value="bst1-1-7.htm">S7-&Uuml;bungen

<option value="bst1-1-8.htm">S8-Parallelit&auml;t

<option value="bst1-1-9.htm">S9-Orthogonalit&auml;

<option value="bst1-1-10.htm">S10-Abstand P-Q

<option value="bst1-1-11.htm">S11-Abstand P-g

<option value="bst1-1-12.htm">S12-&Uuml;bungen

<option value="bst2-1.htm">S13-Tangente Kreis

<option value="bst2-2.htm">S14-Konstruktion

<option value="bst3-1.htm">S15-Dreieck-Quadrat-Stern

<option value="bst4-1-1.htm">S16-Umkreis1

<option value="bst4-1-2.htm">S17-Umkreis2

<option value="bst4-2.htm">S18-&Uuml;bungen

</select></form>