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Find number abc

If b53c5 - b4bac = bb85 find number abc. Multiple solutions may exist.

Correct answers: 22

The first user who solved this task is Nasrin 24 T.

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Water in the carburetor

WIFE: "There's trouble with the car. It has water in the carburetor."

HUSBAND: "Water in the carburetor? That's ridiculous."

WIFE: "I tell you the car has water in the carburetor."

HUSBAND: "You don't even know what a carburetor is. I'll check it out. Where's the car?"

WIFE: "In the pool."

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Xerography

In 1938, xerography was demonstrated by Chester F. Carlson. With his assistant, Otto Kornei, Carlson used a sulphur coating on a zinc plate, vigorously rubbed with a handkerchief to apply an electrostatic charge. A glass slide was prepared using India ink to write "10-22-38 ASTORIA," then laid on the sulphur surface in a darkened room. After illuminating them with a bright incandescent lamp for a few seconds, the slide was removed. When lycopodium powder was sprinkled on the sulphur surface and blown off, there remained a near-perfect image of the writing. Permanent copies were made by transferring the powder images to wax paper and heating the sheets to melt the wax. Xerox is a term coming from "xerography" which means dry writing and is a trademark.

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