60 мин = 1ч
t = t1+t2 = 1+5 = 6 ч
S = S1+S2 = 100+260 = 360 км
V ср = S/t = 360/6 = 60 км/ч
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60 мин = 1ч
t = t1+t2 = 1+5 = 6 ч
S = S1+S2 = 100+260 = 360 км
V ср = S/t = 360/6 = 60 км/ч