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MATH PUZZLE: Can you replace...

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

Correct answers: 62

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

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The Blessing – You may have lived this one

Joan invited some people to dinner. At the table, she turned to her six-year-old daughter and said, 'Would you like to say the blessing?'
'I wouldn't know what to say,' the girl replied.
'Just say what you hear Mommy say,' Joan answered.
The girl thought for a minute, then bowed her head and said, 'Lord, why on earth did I invite all these people to dinner?'

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Gottfried Reinhold Treviranus

Died 16 Feb 1837 at age 61 (born 4 Feb 1776). German naturalist who made histological and anatomical studies on invertebrates. Preceding Darwin, he believed in the “descent by modification,” of species. He began his studies in medicine and mathematics, and became a professor in those subjects at the age of 21. While still a student, he contributed an article on neurology to Reil's Archive for Physiology (1796, pt. 1, sec. ii). He produced six volumes of his Biologie; oder die Philosophie der lebenden Natur between 1802 and 1822. Therein, he held that simple forms (Protists), which he termed zoophytes, were “the primitive types from which all the organisms of the higher classes had arisen by gradual development.” He was among the first to regard the cell as the structural unit of life forms. His younger brother, Ludolph Christian Treviranus (1779–1864) was a botanist.«

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