Question
The mass of 2 bags of peppercorn and a packet of flour is 14 kg. The mass of each bag of peppercorn is 6 kg. The mass of a packet of flour is         .
4 m

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The mass of 2 bags of peppercorn and a packet of flour is 14 kg. The mass of each bag of peppercorn is 6 kg. The mass of a packet of flour is         .