We first introduce methods of finding the sum of the first n terms for an arithmetic sequence of higher order.
我们首先介绍了高阶等差数列前 n 项和的求解方法。
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The net result is that if you need to work with only part of the document model (the "first" part, in document orderterms), AXIOM delivers great performance.
First, only the most blinkered liberal could deny that the terms of trade in the debate between freedom and order have become more favourable to the latter.