VIRAL: Can you figure out this first-grade math problem?

(FOX NEWS)- In recent years, parents have expressed some frustration over Common Core math problems. 

Now a North Carolina parent's Facebook post is going viral, as adults react with consternation to a new brain-teaser. 

The letter-number puzzle above comes from a first-grade student's homework packet:

"Internet friends: solve this 1st grade math homework," the Holderness family wrote, adding "#showyourwork #mybrainhurts."

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