Find number abc
[6144] Find number abc - If c7a57 + ac7b2 = 812ab find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 25 - The first user who solved this task is Nasrin 24 T
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Find number abc

If c7a57 + ac7b2 = 812ab find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Boss Issues

A boss was complaining in a staff meeting the other day that he wasn't getting any respect. Later that morning he went to a local sign shop and bought a small sign that read, "I'm the Boss". He then taped it to his office door.
Later that day when he returned from lunch, he found that someone had taped a note to the sign that said. "Your wife called, she wants her sign back!"

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Gaetano Arturo Crocco

Born 26 Oct 1877; died 19 Jan 1968 at age 90.Italian pioneer in aeronautics and space science who designed revolutionary airships and patented an early cyclic pitch design for helicopter rotors (1906). While the design of helicopters was in its infancy, Crocco recognized that a way to change the pitch cyclically on the blades was needed if a helicopter was to work properly in forward flight. He designed a number of airships in the early part of the 20th century and switched to designing rocket engines in the 1920s. Crocco founded the Italian Rocket Society (1951) and made many contributions to the theory of spaceflight. He calculated that a spacecraft could travel from Earth to Mars, perform a reconnaissance Mars flyby (without orbit), and return to Earth in a total time of about one year.«
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