Ответ:
Aralash sonlarni maxraji 20 bo‘lgan kasrlarga aylantirib qo‘shamiz:
\(3\frac{1}{5}+2\frac{3}{4}=3\frac{4}{20}+2\frac{15}{20}\).
Butun qismlar va kasr qismlarini qo‘shamiz: \(3+2=5\), \(\frac{4}{20}+\frac{15}{20}=\frac{19}{20}\).
Javob: 5\(\frac{19}{20}\) kg.
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