- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
- Rules for comments
 | 19-02-2024 Hendrik Veenstra: |
51. ... 19-24
52. 25x03 24-30
53. 03x26 30x48=
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| PDN Diagram 1 | |||||
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51. ... 19-24
52. 25x03 24-30
53. 03x26 30x48=
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