Sentence examples for problem has perplexed from inspiring English sources

This problem has perplexed physicists for decades.

The London airport capacity problem has perplexed governments for more than 50 years.

Then he realized Trump's idiocy may be the key to solving a problem that has perplexed smarter, more experienced politicians.

It's all made up, it doesn't exist, algebraic melodrama .Three new books grapple with what is arguably an even tougher problem: the Riemann hypothesis, a puzzle that has perplexed mathematicians for the last century and a half.Riemann's hypothesis is just 15 words: "The non-trivial zeros of the Riemann zeta function have real part equal to 1/2".

In fact, the problem of adjusting American military organization to new social, political, and strategic realities has perplexed military thinkers since the closing days of World War II; proposals for reform have proliferated since the end of the Vietnam War.

Benedict's higher-than-anticipated profile has perplexed some.

This has perplexed some of the AU'S staunchest supporters.

The American consumer has perplexed analysts this season.

WELLINGTON — It has been a situation that has perplexed Irish rugby fans for years.

This brash step from an army known for upholding the rule of law has perplexed many.

How they find their way is a question that has perplexed biologists for decades.