Calculate the number 283
[827] Calculate the number 283 - NUMBERMANIA: Calculate the number 283 using numbers [5, 2, 8, 3, 58, 166] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 35 - The first user who solved this task is Sanja Šabović
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Calculate the number 283

NUMBERMANIA: Calculate the number 283 using numbers [5, 2, 8, 3, 58, 166] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 35
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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The almonds

A priest decides one day to visit one of his elderly parishoners, Mrs. Smith. He rings the door bell and Mrs. Smith appears. "Good day, Mrs. Smith. I just thought I would drop by and see how you are doing."

"Oh just fine Father, come on in, and we'll have some tea."

While sitting a the coffee table, the priest notices a bowl of almonds on the table. "Mind if I have one?" the priest says.

"Not at all, have as many as you like."

After a few hours, the priest looks at his watch and alarmed at how long he has been visting, says to Mrs. Smith, "Oh my goodness, look at the time. I must be going. Oh, but dear me, I have eaten all your alomonds. I'll have to replace them the next time I visit."

Mrs. Smith replied, "Oh don't bother Father. Ever since I lost all my teeth, it's all I can do just to lick the chocolate off them."

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First use of chemical symbols in British textbook.

In 1832, Edward Turner wrote a Preface to the 4th edition of his textbook, Elements of Chemistry (published 1833), in which he explained his use of symbols to represent reactants and products in a chemical reaction of Cyanogen, because he found they solved the difficulty of giving a “clear and concise description of. the phenomena in ordinary language.” His was the first use of chemical symbols in a British chemistry textbook. Turner used some algebra-type notation as suggested by William Whewell with parts of Jöns Jacob Berzelius's system, in which iron was represented by Fe (from Ferrum) and oxygen by O. Thus Fe + O represented one oxide of iron, and 2Fe + 3O represented another. Dots over the symbol indicated degree of oxidation, and an underline stood for two equivalents of a substance.«
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