Calculate the number 6669
[5412] Calculate the number 6669 - NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 6669

NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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14 Cat jokes

What's a cat's favorite book?
The Great Cats-by.

What's a cat's favorite day of the week?
Cat-urday.

Why did the cats ask for a piano?
They wanted to make mew-sic.

What’s a cat’s favorite cereal?
Mice crispies.

What’s a cat’s favorite TV show?
Claw and Order.

If your cat was an artist, what would they paint?
Paw-traits.

What's a cat’s favorite color?
Purr-ple.

If cats taught school, what would they be called?
Purr-fessors.

What's a cat's favorite food?
Paw-sta.

What do you call a cat who loves to bowl?
An alley cat.

How did the lazy kittens work on their school project?
They put in the bare mew-nimum.

What's every kitten’s favorite movie?
The Little Purr-maid.

What's a cat’s favorite dessert?
Chocolate mouse.

Why don’t cats like online shopping?
They prefer cat-alogues.

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John Henry Dallmeyer

Died 30 Dec 1883 at age 53 (born 6 Sep 1830).German-British inventor and manufacturer of lenses and telescopes. He introduced improvements in both photographic portrait and landscape lenses, in object glasses for the microscope, and in condensers for the optical lantern. Dallmeyer made photoheliographs (telescopes adapted for photographing the Sun) for Harvard observatory (1864), and the British government (1873). He introduced the "rapid rectilinear" (1866) which is a lens system composed of two matching doublet lenses, symmetrically placed around the focal aperture to remove many of the aberrations present in more simple constructions. He died on board a ship at sea off New Zealand.[Image: Dallmeyer 10x8 Rapid Rectilinear Brass Lens for a large format camera.]
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