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Alexander Filimonoff

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54. NĂ­lton CorrĂȘa de Sousa 294
last 3 solved tasks
Complete the triangle
If 5763+2345=5363 and 8926+6213=4126 then 5555+6666=?
Find the next 4 numbers from series (288863, 18432, 192, ?, ?, ?, ?) and calculate their sum.

Friedrich Konrad Beilstein

Born 17 Feb 1838; died 18 Oct 1906 at age 68.Russian chemist whose research in organic chemistry included studying isomeric benezene derivatives. His lasting legacy, though, was starting the systematical description of organic compoounds, which he compliled in the publication of his Handbuch der organischen Chemie, (1880-82; Handbook of Organic Chemistry). He aimed that it should be a complete catalog, and already in its first edition, the two volumes described 15,000 compounds. As organic chemistry continued to grow rapidly, he published expanded second and third editions. After Beilstein's death, because of its great value to organic chemists, work on updating the publication was taken on by the Deutsche Chemische Gesellschanft, which.has continued to publish it.«

Three Irishmen and Three Scots are on a train

Three Scots and three Irishmen are traveling by train to a conference.

At the station, the three Irishmen each buy tickets and watch as the three Scots buy only a single ticket.

"How are three people going to travel on only one ticket?" asks an Irishman.

"Watch and you'll see," answers a Scot.

They all board the train. The Irishmen take their respective seats but all three Scots cram into a bathroom and close the door behind them.

Shortly after the train has departed, the conductor comes around collecting tickets. He knocks on the bathroom door and says,"Ticket, please." The door opens just a crack and a single arm emerges with a ticket in hand.

The conductor takes it and moves on. The Irishmen see this and agree it was quite a clever idea. So after the conference, the Irishmen decide to copy the Scots on the return trip and save some money (being clever with money,and all that).

When they get to the station, they buy a single ticket for the return trip. To their astonishment, the Scots don't buy a ticket at all.

"How are you going to travel without a ticket?" says one perplexed Irishman.

Watch and you'll see," answers a Scot.

When they board the train the three Irishmen cram into a bathroom and the three Scots cram into another one nearby.

The train departs. Shortly afterwards, one of the Scots leaves his bathroom and walks over to the bathroom where the Irishmen are hiding. He knocks on the door and says, "Ticket, please."

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