Question

Найдите значение выражения : ( 7 целых 1/7-6 целых 7/18)*7,2+2,8. Помогите пожалуйста, на завтра срочно надо)))

Answer 1

В скобках получается 95/126
складываем получаем 10
потом 95/126*10/1=7целых34/67

Answer 2

Calculating the Expression

To find the value of the given expression: (7 whole 1/7 - 6 whole 7/18) * 7.2 + 2.8, we can follow these steps:

1. Convert the mixed numbers to improper fractions. 2. Perform the arithmetic operations. 3. Multiply the result by 7.2 and then add 2.8.

Step 1: Convert Mixed Numbers to Improper Fractions

- 7 whole 1/7 can be written as 50/7. - 6 whole 7/18 can be written as 115/18.

Step 2: Perform Arithmetic Operations

- Subtract 115/18 from 50/7. - Multiply the result by 7.2. - Add 2.8 to the result.

Step 3: Calculation

- Subtracting 115/18 from 50/7 gives us (350 - 115) / 18 = 235 / 18.