Question

Сережа поймал 15 рыб , Толя 10 рыб .Среди всех рыб было 13 карасей , остальные окуни . Сколько окуней поймали мальчики ? Нужно решить тремя разными способами

Answer 1

Первый способ:

1) 15+10=25 (р.) - поймали вместе
2) 25-13=12 (ок.)
Ответ: мальчики поймали 12 окуней
Второй способ:

1) 15-13=2 (шт.)-окуня,
2) 2+10=12 (шт)- окуней

Третий незнаю SORRY((((

Answer 2

1)15+10=25(р.)-обои мальчики ;
2)25-13=12(р.)
Ответ:мальчики поймали 12 рыб окуня.
второй способ :
1)15-13=2(р.)-первый мальчик окуней;
2)2+10=12(р.)
Ответ тот же самый как и в первом способе.
третий способ
выражение
15+10-13=12(р.)

Answer 3

Problem Statement

Сережа поймал 15 рыб, Толя 10 рыб. Среди всех рыб было 13 карасей, остальные окунь. Сколько окуней поймали мальчики? Нужно решить тремя разными способами.

Solution 1: Using Subtraction

To find the number of perch caught by the boys, we can subtract the number of carp caught from the total number of fish caught.

1. Serzha caught 15 fish. 2. Tolya caught 10 fish. 3. Among all the fish, there were 13 carp. 4. Therefore, the remaining fish are perch.

To find the number of perch: - Subtract the number of carp (13) from the total number of fish caught (15 + 10).

Solution: - Serzha and Tolya caught a total of 25 fish (15 + 10). - Among these, there were 13 carp. - Therefore, the number of perch caught by the boys is 25 - 13 = 12.

So, the boys caught 12 perch.

Solution 2: Using Addition

Another way to find the number of perch caught by the boys is to add the number of carp caught by each boy and then subtract it from the total number of fish caught.

1. Serzha caught 15 fish, including 13 carp. 2. Tolya caught 10 fish, including 0 carp (since all the carp were caught by Serzha). 3. Therefore, the number of perch caught by the boys is the total number of fish caught minus the number of carp caught.

Solution: - Serzha caught 15 fish, including 13 carp. - Tolya caught 10 fish, including 0 carp. - Therefore, the number of perch caught by the boys is 15 + 10 - 13 = 12.

So, the boys caught 12 perch.

Solution 3: Using Algebra

We can also solve this problem using algebraic equations.

Let's assume the number of perch caught by Serzha is x, and the number of perch caught by Tolya is y.

1. Serzha caught 15 fish, including 13 carp. So, the total number of fish caught by Serzha can be represented as x + 13. 2. Tolya caught 10 fish, including 0 carp. So, the total number of fish caught by Tolya can be represented as y + 0 (which is equal to y). 3. The total number of fish caught by both boys is 15 + 10 = 25.

Using these equations, we can form the following equation: x + 13 + y = 25

To find the number of perch caught by the boys, we need to solve this equation.

Solution: - Subtract 13 from both sides of the equation: x + y = 25 - 13 x + y = 12

Since we don't have any additional information about the individual number of perch caught by each boy, there are multiple possible solutions for this equation. For example, Serzha could have caught 5 perch and Tolya could have caught 7 perch, or Serzha could have caught 6 perch and Tolya could have caught 6 perch.

So, the number of perch caught by the boys could be 5 and 7, or 6 and 6, or any other combination that satisfies the equation x + y = 12.

In conclusion, the boys caught 12 perch, and the specific distribution between Serzha and Tolya can vary.