Question

7 1\2 ( 9 3\30-57\25)=

Answer 1

Ответ:

7 1/2* (9 3/30- 5 7/25)= 7 75/150+( 9 15/150- 5 42/150)

9-5 15-42/150=8-5 165-42/150= 3 123/150

7+3 75+123/150= 10 198/150= 11 48\150

Ответ: 11 48/150

Пошаговое объяснение:

Answer 2

To solve this expression, let's break it down step by step:

First, simplify the fraction within the parentheses:

9 3/30 = 9 + 3/30 = 9 + 1/10 = 9 1/10

Now, subtract 57/25 from 9 1/10:

9 1/10 - 57/25

To subtract fractions with different denominators, you need to find a common denominator. In this case, the common denominator is 10 * 25 = 250.

Convert both fractions to have a denominator of 250:

9 1/10 = 91/10 * 25/25 = 2275/250 57/25 * 10/10 = 570/250

Now subtract the fractions:

2275/250 - 570/250 = (2275 - 570) / 250 = 1705/250

Now, simplify the fraction 1705/250:

1705 ÷ 5 = 341 250 ÷ 5 = 50

So, 1705/250 simplifies to 341/50.

Now let's put it all together:

7 1/2 * (9 3/30 - 57/25) = 7.5 * (341/50) = 7.5 * 6.82 = 51.15

Therefore, the result of the expression is approximately 51.15.