Calculate the number 5297
[646] Calculate the number 5297 - NUMBERMANIA: Calculate the number 5297 using numbers [2, 7, 2, 9, 50, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 30 - The first user who solved this task is Sanja Šabović
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Calculate the number 5297

NUMBERMANIA: Calculate the number 5297 using numbers [2, 7, 2, 9, 50, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 30
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Advice from children...

1. Never trust a dog to watch your food. - Patrick, age 10

2. When your dad is mad and asks you, 'Do I look stupid?' don't answer him. - Michael, 14

3. Never tell your mom her diet's not working. - Michael, 14

4. Stay away from prunes. - Randy, 9

5. Never pee on an electric fence. - Robert, 13

6. Don't squat with your spurs on. - Noronha, 13

7. Don't pull dad's finger when he tells you to. - Emily, 10

8. When your mom is mad at your dad, don't let her brush your hair. - Taylia, 11

9. Never allow your three-year old brother in the same room as your school assignment. - Traci, 14

10. Never hold a dust buster and a cat at the same time. - Kyoyo, 9

11. You can't hide a piece of broccoli in a glass of milk. - Armir, 9

12. Felt markers are not good to use as lipstick. - Lauren, 9

13. Don't pick on your sister when she's holding a baseball bat. - Joel, 10

14. When you get a bad grade in school, show it to your mom when she's on the phone. - Alyesha, 13

15. Never try to baptize a cat. - Eileen, 8

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Steam-power demonstrated

In 1699, Thomas Savery, at the weekly meeting at Gresham-College, demonstrated before the Royal Society a small model of his invention - a steam-powered water pump - which he patented 25 Jul 1698, "for raiseing water and occasioning motion to all sorts of mill-work by the impellant force of fire; which will be of great use and advantage for drayning mines, serveing townes with water, and for the working of all sorts of mills where they have not the benefit of water nor constant windes." Steam in a vessel condensed by an external spray of cold water caused a partial vacuum to lift water into the vessel from a lower sump, which was then forced further upward when more high-pressure steam entered.«[Ref: Philosphical Transactions of the Royal Society, London, vol. 21, p.228.]
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