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Проверено экспертом

Автор - Inf777
4750 - у * 800 = 1550
у * 800 = 4750 - 1550
у * 800 = 3200
у = 3200 : 800
у = 4
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4750 - 4 * 800 = 1550
   4750 - 3200 = 1550
               1550 = 1550

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