What is the arithmetic progression?
什么是算术级数？
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。
The result shows that the utility of the arithmetic progression can limit the first kind of misread.
结果表明，等差数列的利用可规范第一种误读。
By reducing positions when they were losing money, the Turtles countered the arithmetic progression toward "ruin" effectively.
亏损时减仓，海龟们计算连续亏损的过程。
Arithmetic progression: a number of its change in the process, after each change in the amount of change several times before, that is the product of the relationship.
算术级数：一个数量在其变化的过程中，每一次变化后的量是变化前的若干倍，也就是乘积的关系。
Some special patterns of annuity changes whose payments are of the arithmetic progression of higher order or of the reverse rainbow are studied, and their beginning values and ending values are given.
并研究了付款额呈高阶等差数列及倒虹式年金等某些特殊的年金变化形式，给出了其期初值和期末值。
Some special patterns of annuity changes whose payments are of the arithmetic progression of higher order or of the reverse rainbow are studied, and their beginning values and ending values are given.
并研究了付款额呈高阶等差数列及倒虹式年金等某些特殊的年金变化形式，给出了其期初值和期末值。
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