Question

1-(3/10+2/15-13/30)пж помогите​

Answer 1

Ответ:

1-(3/10+2/15-13/30)=1

Answer 2

Ответ:

сперва решение со скобок:

3/10+2/15-13/30= 9/30+4/30-13/30=0/30=0

1-0=1

Answer 3

Calculating the Expression

To solve the given expression 1-(3/10+2/15-13/30), we can follow these steps:

1. First, we need to simplify the fractions within the parentheses. 2. Then, we perform the addition and subtraction operations according to the order of operations (PEMDAS/BODMAS).

Simplifying the Fractions

Let's simplify the fractions step by step:

1. 3/10: - The fraction 3/10 can be simplified to 0.3.

2. 2/15: - The fraction 2/15 can be simplified to 0.1333 (rounded to four decimal places).

3. 13/30: - The fraction 13/30 can be simplified to 0.4333 (rounded to four decimal places).

Performing the Operations

Now, let's substitute the simplified fractions back into the original expression and perform the operations:

1. 1 - (0.3 + 0.1333 - 0.4333): - First, perform the addition and subtraction inside the parentheses: - 1 - (0.3 + 0.1333 - 0.4333) = 1 - (0.0333) - 1 - 0.0333 = 0.9667

Final Result

The value of the expression 1-(3/10+2/15-13/30) is 0.9667.

I hope this helps! If you have any further questions or need additional assistance, feel free to ask.