Задание

Найдите сумму:

 \(\displaystyle 5\)\(\displaystyle 8\)\(\displaystyle 2\)\(\displaystyle 1\)\(\displaystyle 6\)
\(\displaystyle +\)     
 \(\displaystyle 3\)\(\displaystyle 7\)\(\displaystyle 8\)\(\displaystyle 9\)\(\displaystyle 5\)
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