Question

45/10-9/2:15/12 оаоаоа помогите​

Answer 1

Ответ:

$\frac{189}{10}$

или

$18 \times \frac{9}{10}$

Пошаговое объяснение:

чтобы разделить дробь, на необходимо сделать умножения

$\frac{45}{2} - \frac{9}{2} \times \frac{15}{12}$

$\frac{45}{2} - 3 \times \frac{6}{5}$

$\frac{45}{2} - \frac{18}{5}$

$\frac{189}{10}$

Answer 2

Ответ:

9/10

Пошаговое объяснение:

45/10 - 9/2 : 15/12 = 45/10 - 9/2* 12/15 = 45/10 - 18/5 = 45/10 - 36/10 = 9/10

Answer 3

Calculation of the Expression

To solve the expression 45/10-9/2:15/12, we can follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

First, let's simplify the expression step by step:

1. 45/10 equals 4.5. 2. 9/2 equals 4.5. 3. 15/12 equals 1.25.

Now, we can substitute these values back into the original expression:

4. 4.5 - 4.5 : 1.25

Now, let's perform the division operation first:

5. 4.5 - (4.5 / 1.25)

6. 4.5 / 1.25 equals 3.6.

7. 4.5 - 3.6 equals 0.9.

So, the value of the expression 45/10-9/2:15/12 is 0.9.

Final Answer

The value of the expression 45/10-9/2:15/12 is 0.9.