Найдите сумму десятичных дробей: \( 2\) \( ,\) \( 5\) \( 4\) \( +\) \( 3\) \( ,\) \( 8\) \( 9\) \( ,\)
Задание

Найдите сумму десятичных дробей:

 \(\displaystyle 2\)\(\displaystyle ,\)\(\displaystyle 5\)\(\displaystyle 4\)
\(\displaystyle +\)    
 \(\displaystyle 3\)\(\displaystyle ,\)\(\displaystyle 8\)\(\displaystyle 9\)
 
 [ ]\(\displaystyle ,\)[ ][ ]