An diofar eadar na mùthaidhean a rinneadh air "Cruinneadaireachd"

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Loidhne 97:
[[hu:Gömbi geometria]]
[[id:Geometri bola]]
[[ja:球面幾何学]]
[[nl:Sferische geometrie]]
[[ru:Сферическая геометрия]]
[[zh:球面幾何學]]