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Mathematics, 09.12.2019 17:31 savannahvargas512
Разстоянието между селищата a и b е 410 км. от a за b пътува лека кола със скорост 90km/h, а 1 h по-късно от b за a тръгва камион, движещ се със скорост, която е 7÷9 от скоросттана леката кола. намерете след колко време от тръгването на леката кола двете превозни средства ще се срещнат.
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Разстоянието между селищата a и b е 410 км. от a за b пътува лека кола със скорост 90km/h, а 1 h по-...
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