This paper presents some examples to change the complicated maths problems about proving and calculating into simple ones. It's very useful in solving the maths problems in a clever move.
通过举例，将数列有关证明和计算的问题化繁为简，巧解数列问题有较强实用性。
Hamburg has just voted against bidding for the 2024 Olympic games. Clever move.
汉堡刚刚投票否决了申办2024年奥运会，太聪明了。
Hamburg has just voted against bidding for the 2024 Olympic games. Clever move.
汉堡刚刚投票否决了申办2024年奥运会，太聪明了。
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