Calculate the number 3490
[7810] Calculate the number 3490 - NUMBERMANIA: Calculate the number 3490 using numbers [4, 4, 6, 7, 54, 693] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 3490

NUMBERMANIA: Calculate the number 3490 using numbers [4, 4, 6, 7, 54, 693] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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A six-year-old boy called his...

A six-year-old boy called his mother from his friend Charlie's house and confessed he had broken a lamp when he threw a football in their living room.
"But, Mom," he said, brightening, "you don't have to worry about buying another one. Charlie's mother said it was irreplaceable."
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Charles Sumner Tainter

Died 20 Apr 1940 at age 85 (born 25 Apr 1854).American inventor of various sound-recording instruments, including the photophone (1880, with Alexander Graham Bell), an instrument for transmitting sound to a distance through the agency of light, using sensitive selenium cells. He also developed the Graphophone (1881, patented 1886; with Chichester A. Bell, a cousin of Alexander Graham Bell). This greatly improved on the tinfoil surface and rigid stylus then used by Thomas Edison. Tainter devising a wax-coated cardboard cylinder and a flexible recording stylus which incised the grooves (rather than embossing) to achieve better reproduction, making the phonograph and the dictagraph commercially possible.
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