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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 46

The first user who solved this task is Nasrin 24 T.

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Carlos Mencia: Super-Fence

You know what they said in California? I saw it on C-Span -- people we vote for -- this is what they said, I propose that we kick all of the illegal aliens out of this country. Then we build a super-fence so they cant get back in. And I went, Um, whos gonna build it?

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Earliest Record Solar Eclipse

In 709 BC, the earliest record of a confirmed total solar eclipse was written in China. From: Ch'un-ch'iu, book I: "Duke Huan, 3rd year, 7th month, day jen-ch'en, the first day (of the month). The Sun was eclipsed and it was total." This is the earliest direct allusion to a complete obscuration of the Sun in any civilisation. The recorded date, when reduced to the Julian calendar, agrees exactly with that of a computed solar eclipse. Reference to the same eclipse appears in the Han-shu ('History of the Former Han Dynasty') (Chinese, 1st century AD): "...the eclipse threaded centrally through the Sun; above and below it was yellow." Earlier Chinese writings that refer to an eclipse do so without noting totality.

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