Задание

Найдите сумму десятичных дробей:

 \(\displaystyle 5\)\(\displaystyle ,\)\(\displaystyle 9\)\(\displaystyle 8\)
\(\displaystyle +\)    
 \(\displaystyle 2\)\(\displaystyle ,\)\(\displaystyle 6\)\(\displaystyle 9\)
 
 [ ]\(\displaystyle ,\)[ ][ ]