Vocabulary

未知数

[ wèi zhī shù ]

Advanced Level(Band 7-9)

How to Read

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[ wèi ] [ zhī ] [ shǔ ]
Translation

Phrase

1. 字母x代表未知数。

[ zì mǔ x dài biǎo wèi zhī shǔ 。 ]

The letter "x" stands for an unknown number.