BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (14, 16, 20, 23, 25, 26, 28, 29, 32, 71, 81) 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 Nílton Corrêa de Sousa.
#brainteasers #math #magicsquare

### My pig developed a r...

“My pig developed a rash, so the veterinarian prescribed an oinkment.”

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### Margarine

In 1869, margarine was patented by Hippolyte Mège Mouriés in France (No. 86489). He won the contest held by Emperor Napoleon III to find a substitute for butter used by the French Navy. HisH formula included a fatty component that mixed to a pearly luster, so he named his product after the Greek word for pearl - margaritari. His margarine was manufactured from tallow. Although the prize winner, it was not until F. Boudet patented a process for emulsifying it with skimmed milk and water (1872) that magarine was made sufficiently palatable to be a commercial success. The U.S. dairy industry opposed the introduction of margarine in the U.S. For years, they pressed Congress for many legislative restrictions on its production.«[Image: Mege-Mouriés.]
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