Tài liệu Mathematics and Its History, Third Edition potx
... explaining why this is so requires a new, and more abstract, concept of algebra (see Chapter 19). J. Stillwell, Mathematics and Its History, Undergraduate Texts in Mathematics, 87 DOI 10.1007/978-1-4419-6053-5 6, c ... v 2 v , 2u, u 2 + v 2 v and u 2 − w 2 w , 2u, u 2 + w 2 w for some rational v and w. Putting the two together (Figure 5.2) gives an ar- bitrary rational triang...
Ngày tải lên: 25/02/2014, 02:20
Tài liệu Mathematics and Science Achievement at South African Schools in TIMSS 2003 pptx
... understanding scientific concepts; designing and planning experiments and investigations; conducting experiments or investigations; learning about the nature of science and inquiry; and understanding ... eligible schools; • Randomly selecting a mathematics and science class from each sampled school; and EXECUTIVESUMMARY Free download from www.hsrcpress.ac.za Mathematics and S...
Ngày tải lên: 15/02/2014, 17:20
Tài liệu Case Files Internal Medicine, THIRD EDITION pdf
... usually gets better when he sits up and hangs his feet off the bed. This time, the pain was more severe and did not improve, and he now feels like the foot is numb and he cannot move his toes. On ... all, I appreciate my ever-loving wife Terri, and our four wonderful children, Andy, Michael, Allison, and Christina, for their patience and understanding. Eugene C. Toy ACKNOWLEDGME...
Ngày tải lên: 16/02/2014, 18:20