Question

ДАМ 30 БАЛЛОВ 5/12+3/4-1/2 Если a=2,4

Answer 1

5/12+3/4-1/2=2/3.......

Answer 2

вроде так )))):-):-):-):-):-)

Answer 3

To calculate the expression 5/12 + 3/4 - 1/2 and find the value of "a" when a = 2.4, follow these steps:

Step 1: Simplify the expression 5/12 + 3/4 - 1/2

To add or subtract fractions, we need to find a common denominator. The common denominator for 12, 4, and 2 is 12.

5/12 + 3/4 - 6/12

Now, we can add the fractions with the common denominator:

(5 + 9 - 6)/12 8/12

Step 2: Simplify the fraction 8/12 is equivalent to 2/3. To simplify the fraction, divide both the numerator and denominator by their greatest common divisor, which is 4.

(8 ÷ 4) / (12 ÷ 4) = 2/3

Now, let's find the value of "a" when a = 2.4:

a = 2.4

So, when a = 2.4, the value of the expression 5/12 + 3/4 - 1/2 is 2/3.