Despite the greatest strides in mathematics, these hard math problems remain unsolved. Take a crack at them yourself.

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See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A dad in Texas turned to social media for help after becoming ...

While this three-step process is the ideal process of applied math, reality is more complicated. Once I reach the second step where I want the solution of the math problem, very often, if not most of ...