Question

прочитай числа 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 какие из этих чисел вы можете представить в виде суммы двух однозначных слагаемых? какие из этих чисел вы можете представить в виде сумма равных слагаемых? запишите эти сумма

Answer 1

суммы двух однозначных слагаемых

11 = 5 + 6

13 = 8 + 5

15 = 7 + 8

17= 8 + 9

 

3 = 2 + 1

5 = 3 + 2

7 = 3 + 4

 9= 5 + 4

 

сумма равных слагаемых

12= 6 + 6

14 = 7 + 7

16= 8 + 8

18 = 9 + 9

 

2 = 1 + 1

4 = 2 + 2

6 = 3 + 3

8 = 4 + 4

 

Answer 2

Numbers that can be represented as the sum of two single-digit addends:

The numbers 11, 12, 13, 14, 15, 16, 17, 18, and 19 can all be represented as the sum of two single-digit addends. Here are the possible combinations:

- 11 = 5 + 6- 12 = 5 + 7, 6 + 6- 13 = 5 + 8, 6 + 7- 14 = 5 + 9, 6 + 8, 7 + 7- 15 = 6 + 9, 7 + 8 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 16 = 7 + 9, 8 + 8- 17 = 8 + 9 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 18 = 9 + 9- 19 = 1 + 9, 2 + 8, 3 + 7, 4 + 6, 5 + 5

Numbers that can be represented as the sum of equal addends:

The numbers 11, 12, 13, 14, 15, 16, 17, 18, and 19 can also be represented as the sum of equal addends. Here are the possible combinations:

- 11 = 5 + 6- 12 = 6 + 6- 13 = 7 + 6- 14 = 7 + 7- 15 = 8 + 7 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 16 = 8 + 8 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 17 = 9 + 8 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 18 = 9 + 9 [[2]](https://olympiads.ru/problems/9v-04/index.shtml) - 19 = 9 + 10 Please note that the sources provided contain various combinations of the numbers, but the above combinations are the ones that satisfy the given conditions.