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Solve Math Puzzle

IF 1234 + 4567 = 284, 3012 + 8888 = 640, 5111 + 9291 = 95 THEN 9378 + 9999 = ?

Correct answers: 35

The first user who solved this task is Roxana zavari.

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A beautiful, sexy, good lookin...

A beautiful, sexy, good looking lady was sitting next to a guy in a plane...... The lady said to him ' Can you help me remove something from my breast please? ‘The exciting young man replied, 'Wow! It will be my pleasure....... So what is it?' "Your Eyes, idiot!"

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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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