Question

помогите!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$4 frac{253}{540} + 18 frac{307}{540 } = (4 + 18) + ( frac{253}{540} + frac{307}{540} ) = \ \ = 22 + frac{28}{27} = 22 + 1 frac{1}{27} = 23 frac{1}{27}$


Готово.

Answer 2

спасибо!!!!

Answer 3

не за что