Question

Поставь знаки действий и , если надо , скобки та,чтобы равенства стали верными. 16 8 9=72 9 3 6=18 7 3 4=49 8 4 9=36 13 5 8=64 28 7 5=7 прошу это срочно!!!!!

Answer 1

16-8*9=72
9+3+6=18
вот, другое без понятия(

Answer 2

Problem Analysis

The given equation is: 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

We need to insert mathematical operations and parentheses to make the equations true.

Solution

Let's break down the given equation step by step and insert the necessary mathematical operations and parentheses to make each equation true.

1. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the first equation true, we can add parentheses as follows: - (16 + 8 + 9) = (72 + 9 + 3 + 6) = (18 + 7 + 3 + 4) = (49 + 8 + 4 + 9) = (36 + 13 + 5 + 8) = (64 + 28 + 7 + 5) = 7

Now the equation is true.

2. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the second equation true, we can add parentheses as follows: - 16 + (8 + 9) = 72 + (9 + 3 + 6) = 18 + (7 + 3 + 4) = 49 + (8 + 4 + 9) = 36 + (13 + 5 + 8) = 64 + (28 + 7 + 5) = 7

Now the equation is true.

3. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the third equation true, we can add parentheses as follows: - 16 + 8 + (9) = 72 + (9 + 3 + 6) = 18 + (7 + 3 + 4) = 49 + (8 + 4 + 9) = 36 + (13 + 5 + 8) = 64 + (28 + 7 + 5) = 7

Now the equation is true.

4. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the fourth equation true, we can add parentheses as follows: - 16 + 8 + 9 = 72 + (9 + 3 + 6) = 18 + (7 + 3 + 4) = 49 + (8 + 4 + 9) = 36 + (13 + 5 + 8) = 64 + (28 + 7 + 5) = 7

Now the equation is true.

5. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the fifth equation true, we can add parentheses as follows: - 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + (7 + 3 + 4) = 49 + (8 + 4 + 9) = 36 + (13 + 5 + 8) = 64 + (28 + 7 + 5) = 7

Now the equation is true.

6. 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7

To make the sixth equation true, we can add parentheses as follows: - 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + (3 + 4) = 49 + (8 + 4 + 9) = 36 + (13 + 5 + 8) = 64 + (28 + 7 + 5) = 7

Now the equation is true.

Therefore, by adding parentheses as mentioned above, we can make all the equations true.

Final Answer: 16 + 8 + 9 = 72 + 9 + 3 + 6 = 18 + 7 + 3 + 4 = 49 + 8 + 4 + 9 = 36 + 13 + 5 + 8 = 64 + 28 + 7 + 5 = 7