What kind of symbols can be used in our note-taking? ( )
Arrows symbols and line symbols.
B. Mathematical symbols.
Chemical symbols.
D. Punctuation marks.
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Paraphrasing is a process of rewriting the original sentences in your own words.It is simply a process of copying the originals.( )
A. 对
B. 错
In our note-taking, □ can stand for "country".( )
A. 对
B. 错
In our note-taking, "yr" stands for "year". Here abbreviations are used in note-taking.( )
A. 对
B. 错
某人学习了工程经济学课程以后,了解到达到富裕的最佳决策及实施这一决策的方法是利用货币的增值能力。如果他希望在年满59岁退休时拥有100万元,他决定从25岁生日时就开始投资,假定投资的年收益率为10%,则从第 25个生日起,到第59个生日止,每个生日必须投资多少?