运算

jiā fǎ yùn suàn shì cóng xiǎo jiù xué huì de

加法运算是从小就学会的。

Addition is learned at an early age.

tā hái méi xué guo sì zé yùn suàn

他还没学过四则运算。

He hasn't learned four arithmetic.

suǒ yǒu yùn suàn zài sān miǎo nèi wán chéng

所有运算在三秒内完成。

The whole operation is performed in less than three seconds.

yùn suàn chū cuò

运算出错

make an error in calculation