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The file I uploaded contains the homework. 1-8 (without 4) is the ppt used by our teachers in class
1. The first question needs to be calculated, and the calculation process should be written in an excel table. The professional terms of those formulas should be used the terms handed in by our teacher in class. Because our teachers are British teachers, some professional terms may be called differently from those in the United States or other countries.
2. The second question is to write short words according to the assignment requirements through your professional knowledge and understanding.
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