Calculate the number 1933
[6788] Calculate the number 1933 - NUMBERMANIA: Calculate the number 1933 using numbers [9, 4, 7, 5, 69, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 13 - The first user who solved this task is Nasrin 24 T
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Calculate the number 1933

NUMBERMANIA: Calculate the number 1933 using numbers [9, 4, 7, 5, 69, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Out of Eden

A Sunday school teacher asked her students to draw a picture of their favorite Old Testament story. As she moved around the class, she saw there were many wonderful drawings being done. Then she came across the drawing of one little boy. He was busy drawing a man driving an old car. In the backseat were two passengers—both scantily dressed.”
"It's a lovely picture,” prompted the teacher, “but which story does it tell?”
The little boy seemed surprised at the question. “Well,” he exclaimed, “doesn't it say in the Bible that God drove Adam and Eve out of the Garden of Eden?”
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John Ulric Nef

Born 14 Jun 1862; died 13 Aug 1915 at age 53.Swiss-American chemist whose studies demonstrated that carbon can have a valence (i.e., affinity for electrons) of two (such as quinone) as well as a valence of four, thus greatly advancing the understanding of theoretical organic chemistry. He provided a basis for the modern system of chemical notation. He studied tautomerism, especially of nitroparaffins, and discovered what is now called the "Nef reaction"; the acid-catalyzed conversion of primary and secondary nitroalkanes to aldehydes and ketones, respectively. His major research was on bivalent carbon, including isonitriles, carbon monoxide, fulminates and methylene. In later years, he studied the complex reactions of sugars in alkali and acid.
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