BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (4, 8, 15, 21, 22, 25, 26, 29, 32, 33) 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.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #magicsquare

### More of the best Christmas cracker jokes

How does Good King Wenceslas like his pizzas?
One that's deep pan, crisp and even!

Who hides in the bakery at Christmas?
A mince spy!

What do you call a cat in the desert?
Sandy Claws!

What does Santa do with fat elves?
He sends them to an Elf Farm!

What carol is heard in the desert?
O camel ye faithful!

What do angry mice send to each other at Christmas?
Cross Mouse Cards!

What do you get if you eat Christmas decorations?
Tinsilitis!

What's the most popular Christmas wine?
'I don't like Brussels sprouts!'

What did the beaver say to the Christmas Tree?
Nice gnawing you!

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## Brain Teasers

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### Frederick II

Died 13 Dec 1250 at age 55 (born 26 Dec 1194).Frederick II of Hohenstaufen was a German emperor and ornithologist who was a German ruler, residing in Sicily. He was a multilingual man of learning, who corresponded with and patronized scholars. He battled with the papacy, but otherwise practiced religious tolerance, and interacted with learned Jews, Muslims and Christians. His interest spanned science, especially natural history. He kept a menagerie which at various times had not only monkeys and camels, but also a giraffe and an elephant. His notable contribution to scientific ornithology was with a six-volume work, De arte venandi cum avibus (c.1244-48). In addition to some treatment of falconry, he presented his own observations (rather than perpetuating accepted hearsay knowledge) with remarks on hundreds of kinds of birds, with generalizations on their behaviour, anatomy and physiology. «[Miniature painting of Holy Roman Emperor Frederick II with a falcon from De arte venandi cum avibus, in Vatican Library.]
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