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phi
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neue Fragen braucht das Land
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1 tydzień temu | |
|---|---|---|
| .. | ||
| planimetrie | 9 miesięcy temu | |
| stereometrie | 3 miesięcy temu | |
| trigonometrie | 6 miesięcy temu | |
| vektorgeometrie | 1 tydzień temu | |