Чтобы огогродить яблоневый сад шириной 40 м и длиной 120 м через каждые 4 м , начиная с углов, поставили железные столбы. сколько столбов нужно поставить вокруг сада?
bloxinilyxa
3
22.08.2019 05:10
0
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3
320 : 4 = 80 столбов