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mahta majdi

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If 803bc - ac2ca = 3c1a1 find number abc. Multiple solutions may exist.
MATH PUZZLE: Can you replace the question mark with a number?
What is the missing number?

Heinrich Geissler

Born 26 May 1815; died 24 Jan 1879 at age 63.German glassblower for whom the Geissler (mercury) vacuum pump and the Geissler tube are named. With the unprecedented (1/100 mm of mercury) low vacuum he produced in sealed glass tubes, he made available to early physicists a valuable tool to study the effect of electricity on the remaining traces of gases therein. These produced more detailed studies of the structure of matter.[DSB and EB give birth year as 1815, but Chambers Bio. Dict. gives 1814.]

Goldfish burial

Little eight-year-old Nancy was in the garden filling in a hole when her neighbor peered over the fence. Interested in what the youngster was doing, he asked: "What are you doing there, Nancy?"

"My goldfish died," Nancy sobbed. "And I've just buried him."

The obnoxious neighbor laughed and said condescendingly: "That's a really big hole for a little goldfish, don't you think?"

Nancy patted down the last heap of earth with her shovel and replied: "That's because he's inside your cat."

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