Прямокутник і квадрат мають рівні площі. Периметр прямокутника дорівнює 50 см а одна з його сторін на 7 см менша від другої. Знайдіть сторону квадрата
Petersen
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16.04.2020 13:40
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ответ:1400
50×7=350
350×4=1400