资讯

Optical illusion: Only a person who has eagle-sharp vision can spot the ‘LCD’ in just 9 ...

This optical illusion challenges readers to find the word \"LCD\" hidden among rows of \"LED\" within 9 seconds. It's ...
Ars Technica22 年

Hi, my name is Ralph, and I don't know how to find the LCD.

I am a freshmen in college. Math has never been my strong point. I need to learn how to find the Least Common Denominator or two fractions. I will never make it through college unless I find out ...