MATH PUZZLE: Can you replace...
[3974] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 113 - The first user who solved this task is H Tav
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 113
The first user who solved this task is H Tav.
#brainteasers #math #riddles
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HAPPY FATHERS DAY

HAPPY FATHERS DAY - I love my dad
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First U.S. railroad suspension bridge

In 1855, the first U.S. suspension bridge was crossed by its first train. Started in 1853, and completed in 1854, the suspension bridge spanned the gorge at Niagara Falls, New York. The bridge construction was started by Charless Ellet, and taken over by John Augustus Roebling, who finished it. Its span was 825-ft, comprising a lower 15-ft wide highway deck, and an upper 24-ft wide deck for the railroad. The upper deck stood 245-ft above the high water level below it.«
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