1511/60=25 11/60 ч =25 ч 11 мин
1)1511:60=25 ч 11 мин продолжался полёт Титова;
2)71-25ч 11 мин=45часов 49 мин
Ответ: на 45часов 49 минут полёт Терешковой продолжался дольше
Первое действие это умножение или деление, а потом идёт сложение и вычитание.
10-3,5012
100-0,35012
1000-0,035012
10000-0,0035012
Это самый точный ответ!!!
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