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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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Wendy Ye
COMPUTER SCIENCE | UNIT 2 | CLASS 8 | DIGITAL SKILLS | WHAT IS A SPREADSHEET #exceltips #exceltricks
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12 days ago
COMPUTER SCIENCE | UNIT 2 | CLASS 8 | DIGITAL SKILLS | WHAT IS A SPREADSHEET #exceltips #exceltricks
![Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2](http://i.ytimg.com/vi/IG15iLK0PtI/mqdefault.jpg "Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2")
