MATH PUZZLE: Replace the que...
[2967] MATH PUZZLE: Replace the que... - MATH PUZZLE: Replace the question marks with a numbers and calculate product these numbers. - #brainteasers #math - Correct Answers: 155 - The first user who solved this task is Roxana zavari
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MATH PUZZLE: Replace the que...

MATH PUZZLE: Replace the question marks with a numbers and calculate product these numbers.
Correct answers: 155
The first user who solved this task is Roxana zavari.
#brainteasers #math
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April Fool's Day - Here are 5 pranks you can play on people

1. Hide an alarm clock in someone’s bedroom and set it for 3:00 a.m.
2. Remove the shower head and place a Lifesavers candy in it, then put the head back on.
3. Remove the shower head and place a chicken bouillon cube in it, then put the head back on.
4. Rearrange somebody’s drawers or file cabinets in a different order.
5. Tape magnets to the bottom of a cup, put it on the roof of your car and drive around.
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Edison patent

In 1893, a patent for a "Roller for Crushing Ore or Other Material" was issued to Thomas A. Edison (U.S. No. 498,385). Edison had in mind crushing iron ore. "It is usual in ore crushing machines employing rollers to mount them in pairs on suitable supporting frames and to provide means for driving each pair, and for feeding material to be crushed separately to each pair of rollers and to provide separate means for pressing the rollers of each pair together. In the machine to be described I employ three or more rollers supported side by side in a frame and moveable towards or away from each other, instead of using them in pairs, and a single weight and lever serves to press all of said rollers together."Image: drawing of the side elevation of the apparatus.
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