45×2=90-расстояние которое проехал 1 поезд
53×2=106-расстояние которое проехал 2 поезд
106-90=16
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1. Математическое выражение, стоящее под
знаком обыкновенной дроби.
2. Как на Руси называли дроби?
3. Кто впервые в Европе ввёл десятичные
дроби?
4. Математическое выражение, стоящее над
знаком обыкновенной дроби.
5. Формат дроби.
6. В какой стране впервые
встречаются десятичные дроби?
7. Как называется эта дробь 9/8
?
8. Формат дроби.
9. Греческий математик, который
ввёл слова «числитель» и «знаменатель» в оборот?
10. Число, состоящее из одной или
несколько частей (долей) единицы?
Складываем 35 и 30. получаем маме и папе в сумме 65 лет )
1)10+24+33=67 учеников, которые умеют плавать и танцевать; не умеют ни плавать, ни танцевать.
2) 84-67=17 учеников, которые умеют только танцевать
0,36=36/100
36/100×2/3=24/100 0,24
15×710=10,650