lǎo shī / yāo qiú / wǒ men / bǎ / yìng yòng tí / zhōng de / shù liàng / guān xì / xiě chéng / biǎo dá shì / zài / jìn xíng / jì suàn

老师要求我们把应用题中的数量关系写成表达式，再进行计算。

The teacher asked us to write the quantitative relationships in the word problem as an expression before calculating.