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Скороти дріб: a) 35/56 = 5/8; б) 144/441 = (12 •12)/(21 •21) = (4 •4)/(7 •7) = 16/49; в) 5120/2520 = 512/252 = 256/126 = 128/63 = 22/63; г) 693/825 = 231/275.





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