Ответ:
1/8 = 5/40, 2/5 = 16/40, 1/10 = 4/40
Второй день = 5/40+16/40 = 21/40 пути
Третий день = 5/40-4/40 = 1/40 пути
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Ответ:
1/8 = 5/40, 2/5 = 16/40, 1/10 = 4/40
Второй день = 5/40+16/40 = 21/40 пути
Третий день = 5/40-4/40 = 1/40 пути