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# MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (6, 7, 11, 13, 15, 16, 20, 52, 53, 57) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B-C.
#brainteasers #math #magicsquare
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### World Chocolate Day Jokes

July 7th is World Chocolate Day! Find some jokes about it!

Why did the chocolate chip cookie cry? Because his mom was a wafer too long!

What fruit loves chocolate?
A cocoa-nut.

There are two types of people in this world:
People who love chocolate and liars.

What is the opposite of Chocolate?
Chocoearly.

What Christmas carol do candy bars sing?
Almond Joy To The World.

Why did the Oreo go to the dentist?
Because it lost its filling!

Did you hear about the love affair between Mr. Goodbar and Peppermint Patty?
They had a Babe Ruth.

Knock, knock!
Who’s there? Candy boy. Candy boy who? Candy boy have another piece of chocolate?

What did the M&M go to college?
Because he wanted to be a Smarty.

What does it do before it rains candy?
It sprinkles!

Once there were two chocolate bunnies and one had his ear bitten off.
One said “Happy Easter!” What did the other one say? “Huh?”

I opened a Mars bar once.
I discovered martians love gin.

Life is like a box of chocolates…
Mostly disappointing.

A seven-year-old is sitting on a park bench eating a chocolate bar. The man sitting next to him looks over and says, “Eating that many chocolate bars are bad for you.”
The boy looks over and responds, “My great grandfather lived to be 105.” The man replies, “And he ate that much chocolate?” “No,” says the boy. “But he minded his own business.”

What do you call a cow with a stutter that makes chocolate milk?
Cacao.

Why did the chocolate bar go to the dentist?
He had a chip in his tooth.

Why is a Toblerone triangular?
So it fits in the box.

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### Henri Braconnot

Born 29 May 1781; died 13 Jan 1855 at age 73.French naturalist and chemist known for isolating glucose, a simple sugar, directly from such plant material as sawdust, linen or bark by boiling them with acid (1819). Previously, glucose had only been derived from starch. In 1811, he was the first to find fungtine - in mushrooms. (It was named chitin in the 1830's when it was also isolated in insects.) Chitin is one of the most abundant polysaccharides found in nature. In 1832, Braconnot prepared “xyloidine”by treating starch, sawdust, and cotton with nitric acid. He found that this material was soluble in wood vinegar and attempted to make coatings, films, and shaped articles from it. This was an early discovery preceding the work of other scientists with nitrocellulose that led to the advent of plastics and rayon.
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