б) 128 = 2⁷
е) 5 4/9 = 49/9 = (27+16+6)/9 = (3³+2⁴+3¹+3¹)/3²
и) 1 11/25 = 36/25 = (27+9)/(16+9) = (3³+3²)/(2⁴+3²)
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б) 128 = 2⁷
е) 5 4/9 = 49/9 = (27+16+6)/9 = (3³+2⁴+3¹+3¹)/3²
и) 1 11/25 = 36/25 = (27+9)/(16+9) = (3³+3²)/(2⁴+3²)