Question

Сгруппируй записи. Объясни . Приведи еще записи примеров, принадлежащие к каждой группе. 9+1 9-а 5=5 4+а 8>5 9-1 3+6 8-5 4=4 а+7 7<9 а-3. Помогите как правильно записать

Answer 1

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Answer 2

Mathematical Expression:

The given mathematical expression is: 9 + 1 * 9 - 5 = 5 + 4 * 8 > 5 + 9 - 1 * 3 + 6 * 8 - 5 * 4 = 4 + 7 * 7 < 9 - 3.

Grouping the Expression:

To simplify the expression and make it easier to understand, let's group the terms using parentheses:

(9 + 1) * (9 - 5) = (5 + 4) * 8 > (5 + 9) - (1 * 3) + (6 * 8) - (5 * 4) = 4 + (7 * 7) < (9 - 3).

Evaluating the Expression:

Now, let's evaluate the expression step by step:

1. (9 + 1) * (9 - 5) = 10 * 4 = 40 2. (5 + 4) * 8 = 9 * 8 = 72 3. (5 + 9) - (1 * 3) + (6 * 8) - (5 * 4) = 14 - 3 + 48 - 20 = 39 4. 4 + (7 * 7) = 4 + 49 = 53 5. (9 - 3) = 6

Final Result:

The simplified expression is: 40 > 72 > 39 < 6.

Example of Grouping:

To further illustrate the grouping, let's consider an example where we have different values for the numbers:

(2 + 3) * (7 - 4) = (5 + 1) * 2 > (8 + 2) - (3 * 2) + (4 * 5) - (2 * 3) = 6 + (10 * 2) < (7 - 1).

Evaluating the Example:

1. (2 + 3) * (7 - 4) = 5 * 3 = 15 2. (5 + 1) * 2 = 6 * 2 = 12 3. (8 + 2) - (3 * 2) + (4 * 5) - (2 * 3) = 10 - 6 + 20 - 6 = 18 4. 6 + (10 * 2) = 6 + 20 = 26 5. (7 - 1) = 6

Final Result of the Example:

The simplified expression is: 15 > 12 > 18 < 26 < 6.

By following the rules of mathematical operations and grouping the terms properly, we can accurately evaluate and simplify mathematical expressions.