Задание

Найдите сумму десятичных дробей:

 \(\displaystyle 2\)\(\displaystyle ,\)\(\displaystyle 6\)\(\displaystyle 7\)
\(\displaystyle +\)    
 \(\displaystyle 6\)\(\displaystyle ,\)\(\displaystyle 4\)\(\displaystyle 8\)
 
 [ ]\(\displaystyle ,\)[ ][ ]