Replace the question mark with a number
[3629] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 82 - The first user who solved this task is Fazil Hashim
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 82
The first user who solved this task is Fazil Hashim.
#brainteasers #math #riddles
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Christmas cracker jokes - yet another collection

What do you get if you cross a bell with a skunk?

Jingle Smells!

What's green, covered in tinsel and goes ribbet ribbet?

Mistle-toad!

Which famous playwright was terrified of Christmas?
Noël Coward!

What is the best Christmas present in the world?
A broken drum – you just can’t beat it!

How do you know if Santa is really a werewolf?

How do you know if Santa is really a werewolf?


What did the stamp say to the Christmas card?

Stick with me and we'll go places!


Why did no one bid for Rudolph and Blitzen on eBay?
Because they were two deer!

What does the Queen call her Christmas Broadcast?
The One Show!

What did Father Christmas do when he went speed dating?
He pulled a cracker!

Why don't you ever see Father Christmas in hospital?
Because he has private elf care!

Why is it getting harder to buy Advent calendars?
Because their days are numbered!

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Fourier series

In 1807, Fourier's memoir On the Propagation of Heat in Solid Bodies, was read to the Paris Institute, an important mathematical work, containing what we now call Fourier series, which he had worked upon since around 1804. A committee consisting of Lagrange, Laplace, Monge and Lacroix was set up to report on the work. Although now highly regarded, at the time, this memoir caused controversy. Lagrange and Laplace objected to Fourier's expansions of functions as trigonometrical series (the Fourier series). It was not until 1822 that his prize winning essay Théorie analytique de la chaleur was published by the Académie des Sciences. Jean Delambre, Secretary to the mathematical section, had arranged for the printing before he died.
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