Question

15*(1+1/3-1/5). полный ответ. дроби.

Answer 1

15 * 17/15 = (сокращаем 15)= 17

Answer 2

15+15/3-15/5=15+5-3=17

Answer 3

To calculate the expression 15 * (1 + 1/3 - 1/5) with fractions, follow these steps:

Step 1: Find a common denominator for the fractions involved. The common denominator for 3 and 5 is 15.

Step 2: Convert the fractions to have the common denominator. 1/3 = (1/3) * (5/5) = 5/15 1/5 = (1/5) * (3/3) = 3/15

Now the expression becomes: 15 * (1 + 5/15 - 3/15)

Step 3: Simplify the expression inside the parentheses. 1 + 5/15 - 3/15 = (15/15) + (5/15 - 3/15) = 15/15 + 2/15 = 17/15

Step 4: Multiply by 15. 15 * (17/15) = (15/1) * (17/15) = 255/15

Step 5: Simplify the result. 255/15 = 17

So, the final answer is 17.