# On one window 3 identical glasses are required. How many windows can be laid if 10 such glasses? 20 glasses? with short record

Gapon

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10+20=30 styokl 30:3=10 Answer windows: 10 windows If are 10 and 20 flew down then their of everything 30, and on one window is required 3, means it is possible to glaze 10 windows. 10+20 = 30 30 glasses: 3 = 10 windows

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