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Find number abc

If 97cb9 - 2a9c7 = 7abb2 find number abc. Multiple solutions may exist.

Correct answers: 22

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

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Thanksgiving Trio

Three Thanksgiving Jokes:

Last Thanksgiving, I had my chance to do the traditional thing of shooting my own turkey.
Man, you should have seen the people scatter in the meat department.

When everyone at the table takes turns saying what they are thankful for, say,
“I'm thankful I didn't get caught,”
and refuse to say anything more.

Keep your eye off the turkey dressing. It makes him blush!

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Sir David Gill

Died 24 Jan 1914 at age 70 (born 12 Jun 1843).Scottish astronomer known for his measurements of solar and stellar parallax, showing the distances of the Sun and other stars from Earth, and for his early use of photography in mapping the heavens. His early training in timekeeping as a watchmaker led to astronomy and he designed, equipped, and operated a private observatory near Aberdeen. To determine parallaxes, he perfected the use of the heliometer, a telescope that uses a split image to measure the angular separation of celestial bodies. In 1877, Gill and his wife measured the solar parallax by observing Mars from Ascension Island. He was appointed Her Majesty's Astronomer at the Cape of Good Hope (1879-1906). Gill also made geodetic surveys of South Africa. In fact he carried out all of the observations to measure the distances to stars in terms of the standard meter. His precise redetermination of the solar parallax was used for almanacs until 1968.

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