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Eritma maxsus. #6) 150 g suvga 50 g tuz qòshilganda olingan | Kimyo | Bahromiddin Murodov

Eritma maxsus.

#6) 150 g suvga 50 g tuz qòshilganda olingan eritmaga 40% li eritmadan necha gramm qòshilganda 30% li eritma olinadi (J:100)

Murodov | Bahromiddin Tayyorlov kursi