Длина комнаты 6м а ширина 5м на паркетный пол в этой комнате пошло 270 квадратных приток сколько таких же плиток пойдёт на комнату с длиной 5м и шириной
pankivk
1
28.05.2019 03:50
0
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2
270:30=9 плиток идет на 1 кв м
5*4=20 м кв - площадь другой комнаты
20*9=180 плиток