









Common difference
Arithmetic progression
We first introduce methods of finding the sum of the first n terms for an arithmetic sequence of higher order.
The arithmetic searching for oil is stark.

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Open the tool →等差 (děng chà) means “Common difference, Arithmetic progression”.
等差 is pronounced děng chà in Mandarin Chinese.
“Common difference” is 等差 (děng chà) in Chinese.
This page has 2 example sentences using 等差, each with pinyin and an English translation.