.............................
подчеркни в каждом числе одной чертой цыфру в разряде едениц, а двумя цыфру в разряде десятков. 17, 15, 13, 18, 19, 11,9, 10,20,
Наталья2014 [250]
17,15,13,18,19,11,10,20,25 разряд десятков,2,9,0 разряд единиц
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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?
1)7/10=0,7
2)9/14=0,6428
3)3/35=0,0857
4)0,7+0,6428=1,3428
5)1,3428-0,0857=1,2571
Ответ 1,2571