Question

Вычислите 45/2+2*45*13+13/2. 37/7-23/2 доробная черта 47/2-169 ПОМОГИТЕ ПОЖАЛУЙСТА

Answer 1

45²+2*45*13+13²=(45+13)²=58²=3364 
(37²-23²)/(47²-169)=((37-23)(37+23))/((47-13)(47+13))=(14*60)/(34*60)=14/34=7/17

Answer 2

Calculations

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

1. Calculate 45/2: - 45 divided by 2 equals 22.5.

2. Calculate 2*45*13: - 2 multiplied by 45, then multiplied by 13 equals 1170.

3. Calculate 13/2: - 13 divided by 2 equals 6.5.

4. Calculate 37/7: - 37 divided by 7 equals 5.2857 (rounded to four decimal places).

5. Calculate 23/2: - 23 divided by 2 equals 11.5.

6. Calculate 47/2: - 47 divided by 2 equals 23.5.

7. Putting it all together: - Now, let's combine the results: - 22.5 +