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What number comes next?

Look at the series (1, -6, -9, 0, 45, 198, ?), determine the pattern, and find the value of the next number!

Correct answers: 35

The first user who solved this task is Alfa Omega.

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I'm Working At the Moment

My boss texted me, "Send me one of your funny jokes, Pete."
I replied, "I'm working at the moment, Sir, I will send you one later."
He replied, "That was fantastic, send me another one."

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Atomic pile

In 1942, work began on an experimental atomic pile to investigate the world's first artificial nuclear chain reaction. In a makeshift lab underneath the University's football stands at Stagg Field, physicists and staffers, worked around the clock to built a lattice of 57 layers of uranium metal and uranium oxide embedded in graphite blocks. A wooden structure supported the graphite pile. The research would be an important contribution to the Manhattan Project, a secret wartime project to develop nuclear weapons, which initiated the modern nuclear age. Little more than two weeks later, on 2 Dec 1942, the first self-sustained nuclear chain reaction was achieved by Enrico Fermi and his team.«

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