未知数
unknown number; an unknown quantity (fig. uncertainty)
HSK 7-9
Pronunciation
wèizhīshù
Example sentence
在这个方程里，x 是一个未知数。
In this equation, x is an unknown.
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HSKReadyGet the appHSKReadyGet the appunknown number; an unknown quantity (fig. uncertainty)
HSK 7-9wèizhīshù
在这个方程里，x 是一个未知数。
In this equation, x is an unknown.
Full mock exams are available in HSKReady.
