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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A little boy comes down for br...

A little boy comes down for breakfast and his mother asks if he had done his chores. “Not yet,” says the little boy.
His mother tells him that until he completes them, he won't be getting any breakfast.
Well, he's a little angry, so he goes to feed the chickens and kicks one. He goes to feed the cows, and kicks a cow as well. He goes to feed the pigs, and he kicks a pig.
He goes back in for breakfast and his mother gives him a bowl of dry cereal. “How come I don't get any eggs and bacon? Why don't I have any milk in my cereal?” he asks.
“Well,” his mother says, “I saw you kick a chicken, so you don't get any eggs for a week. I saw you kick the pig, so you don't get any bacon for a week either. I also saw you kick the cow, so for a week you aren't getting any milk.”
Just then, his father comes down for breakfast and kicks the cat half way across the kitchen.
The little boy looks up at his mother with a smile and says, “Are you going to tell him, or shall I?”
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Electric plant

In 1883, the first three-wire central-station incandescent-lighting plant in the U.S. started operations in Sunbury, Pennsylvania built by the Edison Electric Illuminating Co. The plant was a simple wooden structure. An Armington & Sims steam engine drove two 110-volt direct-current generators. The electricity was delivered by overhead wires. Edison had patented his three-wire system on 20 Nov 1882 to supercede the distribution system used at his first commercial central generating station in New York (4 Sep 1882) because it gave savings of over 60 per cent in copper used in conductors. This meant a smaller investment which made it economically possible to build generating plants in many smaller communities.«[Images - top: Sunbury generators at the Edison Ford Museum; bottom: Thomas Edison]
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