Can you figure out easy-looking math sum in 30 seconds by remembering the special rule?

The answer to this mathematical brain teaser is NOT 40 - can YOU solve it in 30 seconds by remembering the special rule?
Edutopia

4 Ways to Make Story Problems More Engaging and Accessible

Four simple strategies—beginning with an image, previewing vocabulary, omitting the numbers, and offering number sets—can have a big impact on learning.
Scientific American

For its 100th birthday, the Schrödinger equation is getting a glow-up from quantum physicists

A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking ...
IEEE

Automated Math Equation Recognition and Problem Solving using Texify and LLMs

Abstract: The “Automated Math Equation Recognition and Problem Solving with Computer Vision” research work is to develop a framework that utilizes computer vision methods to consequently recognize ...
IEEE

Solving Unit Commitment Problem with Wind Solar based Power System Network using SCA Algorithm

Abstract: One of the most difficult problems in power system optimization research is the unit commitment (UC) issue. The current study effectively reduced emissions and generating costs in the UC ...