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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It was a stifling hot day and...

It was a stifling hot day and a man fainted in the middle of a busy intersection. Traffic quickly piled up in all directions, and a woman rushed to help him.
As she knelt down to loosen his collar, a man emerged from the crowd, pushed her aside, and said, "It's all right, Honey, I've had a course in first aid."
The woman stood up and watched as he took the ill man's pulse and prepared to administer artificial respiration.
At this point she tapped him on the shoulder and said, "When you get to the part about calling a doctor, I'm already here."
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Celluloid

In 1869, John Wesley Hyatt and Isaiah Hyatt were issued a U.S. patent for the first plastic, which they called "Improved Method of Making Solid Collodion" (No. 91,341). In their method, soluble cotton, pyroxyline, or prepared cellulose was placed into a strong cylinder or suitably-shaped mold. Then "the employment of a very small quantity of ether or other appropriate solvent, and dissolving pyroxyline therewith, under a heavy pressure, so that a comparatively hard and solid product is obtained, with great economy of solvents and saving of time." A filler may be mixed with the pyroxyline such as ivory-dust, bone-dust, asbestos, flake-white, or any other desirable substance, according to the nature of the product required.«
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