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skolarr
1.1 | A-Level Computer Science | Class 1 | Number System | ENG
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Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
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![Evaluate : |[b + c, a - b, a],[c + a, b - c, b],[a + b, c - a, c]|](http://i.ytimg.com/vi/73GTejrFptg/mqdefault.jpg "Evaluate : |[b + c, a - b, a],[c + a, b - c, b],[a + b, c - a, c]|")
![Evaluate : |[a - b, b - c, c - a],[b - c, c - a, a - b],[c - a, a - b, b - c]|](http://i.ytimg.com/vi/1hRNKDPP5Nk/mqdefault.jpg "Evaluate : |[a - b, b - c, c - a],[b - c, c - a, a - b],[c - a, a - b, b - c]|")
![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
