Rose Little
11/20/2023 · Primary School
Автомобиль ехал 4 ч со скоростью в км/ч и \( 3 ч \) со скоростью а км/ч. Какое расстояние он проехал? Подберите значение буквы, при котором выражение: а+ 3 принимает значение, равное 20 10 -х принимает значение, равное 0 .
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Значения \( a = 17 \) и \( x = 10 \). Расстояние, проеханное автомобилем, равно \( 4v + 51 \) км, где \( v \) — скорость в км/ч.
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