Find number abc
[6664] Find number abc - If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 21 - The first user who solved this task is Nasrin 24 T
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Find number abc

If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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An old lady, who lived on the...

An old lady, who lived on the third floor of a boardinghouse, broke her leg.
As the doctor put a cast on it, he warned her not to climb any stairs.
Several weeks later, the doctor took off the cast.
"Can I climb stairs now?" asked the little old lady.
"Yes," the doctor replied.
"Thank goodness!" she said. "I'm sick and tired of shimmying up and down that drainpipe!"
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Telescope

In 1851, the first U.S. patent for a telescope design was issued to Alvan Clark of Cambridge, Mass. (No. 8,509). Clark was a portrait painter who was interested in astronomy as were so many others at that time. He had made several small lenses and mirrors as a hobby. The fact that he could detect the small residual errors in one of the the best lenses Europe could offer convinced him that he could do as well. After he gained a reputation in Europe the American orders started to come in. The Alvin Clark Company became one of the foremost producers of some of the largest lenses for telescopes in the 1800's.*
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