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Calculate the number 8173

NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 11

The first user who solved this task is Nasrin 24 T.

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> it's a sad day when your child looks at you and asks

You know, it's a sad day when your child looks at you and asks:

- Daddy, is this organic?

- Organic?

I grew up on Angel Delight! We didn't have anything in the house if it wasn't neon!

Dylan Moran (November 3 1971)

Picture: @LatitudeFest

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Metre

In 1889, the third legal definition of the metre was adopted at the Paris General Conference. An international prototype metre bar was made of a 90-10 platinum-iridium alloy with an X cross section to minimize flexing. The metre was defined as the distance measured between two lines on the bar at the temperature of freezing water, 0°C. The alloy ingot was made possible by a high-temperature furnace devised by Henry Sainte-Claire and his assistant Jules Henry Debray. The alloy was harder than pure platinum, but retained the other desireable properties, including resistance to corrosion. Duplicate prototypes were made and distributed to each of the countries that joined in the international agreement. The same alloy was used to prepare the international protype of the kilogram.«

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