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最佳答案：The best method of learning math is doing more and more excises
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最佳答案：it is obvious that we can use an easier way to solve this math problem.
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最佳答案：I believe that the most useful subjects are English language mathematics, becaus
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最佳答案：It is a busy day today,because I should go to the math class today.
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最佳答案：The transportation problem with dual method of optimal solution scheme from simp
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最佳答案：We have math classes this afternoon.When is your geography class?What is the nex
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最佳答案：The system mathematical model and conclusions specified in the article,with a wi
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最佳答案：1 We have fun learning English every day.2 This is a good way to learn mathemati