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?
IEEE

Designing Zero-Gradient-Sum Protocols for Finite-Time Distributed Optimization Problem

Abstract: In this article, the distributed finite-time and fixed-time optimization problems are investigated by adopting the zero-gradient-sum (ZGS) framework in multiagent systems. Specifically, when ...
Free Malaysia Today

The problem with lump sum withdrawals

Many senior citizens risk running out of funds after retirement, making it essential for reforms in the pension system. For most Malaysians, retirement brings a crucial question: What should they do ...
IEEE

A Fixed-Time Proximal Gradient Neurodynamic Network With Time-Varying Coefficients for Composite Optimization Problems and Sparse Optimization Problems With Log-Sum Function

Abstract: This article presents a novel proximal gradient neurodynamic network (PGNN) for solving composite optimization problems (COPs). The proposed PGNN with time-varying coefficients can be ...
GitHub

Java Program for turning questions and answers into a randomized quiz.

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The Daily Telegraph

Why exiled crown prince may not be the answer to Iran’s problems

Reza Pahlavi is courting Donald Trump after 50 years abroad but some Iranians see him as pampered, inexperienced and uncharismatic Adrian Blomfield is a Senior Foreign Correspondent at The Telegraph, ...