# In an empty keg at first poured 13 kg of honey, and then 5 more kg. The mass of a keg with honey became equal to 20 kg. Find the mass of an empty keg. The 2nd class. please write how to write short record before the decision.

Corn

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1) 13+5=18 2)20-18=2 (the mass of a barrel) And into the account of short record - you mean "is given " Then given 13-at first by the 5th sweat 20 to Find the mass of a full barrel MassĂș bochki13+5=18 (kg) the mass of honey of 20-18=2 (kg) the mass of an empty keg

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Emil

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