(Analyse)opmerking toevoegen Account aanvragen | |||||
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A.Malyuta, A.Balanyuk, R.Matskyavichyus "Tainstva shashechnykh kvadratov" [277], 2015 Ispravleniye zadachi avtora iz “Shashki”(Riga), 4 [1076], 1972 Other thematic variants of this Zadacha, please, see below: | |||||
Thematic variant: |