Найдите сумму десятичных дробей: \( 2\) \( ,\) \( 3\) \( 9\) \( +\) \( 6\) \( ,\) \( 4\) \( 9\) \( ,\)
Задание

Найдите сумму десятичных дробей:

 \(\displaystyle 2\)\(\displaystyle ,\)\(\displaystyle 3\)\(\displaystyle 9\)
\(\displaystyle +\)    
 \(\displaystyle 6\)\(\displaystyle ,\)\(\displaystyle 4\)\(\displaystyle 9\)
 
 [ ]\(\displaystyle ,\)[ ][ ]