Up to now, binomial coefficients are generally represented by combinations.
至今，二项式系数一般用组合表示。
Prove that no four consecutive binomial coefficients can be in arithmetic progression.
证明不存在四个连续的二项系数成算术级数。
In this paper, we derive some combinatorial inequalities from the property of binomial coefficients.
本文从二项式系数的性质得到了一些组合不等式。
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