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Simple looking math problem leaves people stumped - can you get the answer in 30 seconds?
A seemingly straightforward math problem has sparked debate online after leaving social media users confused over the correct answer. The brain teaser, which appears simple at first glance, has ...
15don MSN
Mental math's shortcut—pupil dilation suggests people start solving before all numbers are in
People often solve simple arithmetic problems, such as basic addition, subtraction, multiplication or division, in their ...
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