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Find number abc

If 6ac9a + b0cab = 9a9c8 find number abc. Multiple solutions may exist.

Correct answers: 14

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Two guys walking down the stre...

Two guys walking down the street talking. One says to the other, "I wish I had a million dollars."
The second guy says, "Oh, I'm working on my second million."
"Really?" asked the first guy, surprised.
"Yea, I gave up on the first million, didn't quite work out."

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Fluorine

In 1886, Henri Moissan's discovery of fluorine gas was announced at the Paris Academy of Science, two days after his first successful experiment to isolate the element, which he tested with silicon to find it burst into flame. “One can indeed make various hypotheses on the nature of the liberated gas; the simplest would be that we are in the presence of fluorine, but it would be possible, of course, that it might be a perfluoride of hydrogen, or even a mixture of hydrofluoric acid and ozone sufficiently active to explain such vigorous action as this gas exerts on crystalline silicon.” This conservative announcement was read to the Academy by Debray, for Moissan was not then a member. The president appointed a committee to check the discovery.*

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