1/the famous saying: I believe that in this world nothing is more miserable with no knowledge of Italian astronomer Galileo wasGalilee (Galileo Galilei: 1564-1642): Galilean is the astronomer, the Italian physicist. At the small poor family, he had studied most of the University, while still going to school as a student of Galilee or posed the question, for those interested in issues he always sought to prove himself. Have a teacher gave a thorny question for students: using a wire loop into the closed shape is different, display would have the largest land area? To find the answer of Galilee had found a rope round the image as square, rectangle, circle etc ... He finally discovered the circle is the largest in area in the picture, he used his mathematical knowledge learned to prove this point. His teacher found the proof of Galilee so awfully excited, cheering him to study mathematics, the later Galilean became a professor at the University of pisa
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