Definition

Examples

• 她的心算能力非常强，几秒钟就能算出答案。
  Tā de xīn suàn nénglì fēicháng qiáng, jǐ miǎo zhōng jiù néng suàn chū dá'àn.
  Her mental arithmetic ability is very strong — she can calculate the answer in a few seconds.
• 小学时我们经常做心算练习。
  Xiǎoxué shí wǒmen jīngcháng zuò xīn suàn liànxí.
  In elementary school, we often did mental arithmetic exercises.
• 做心算比用计算器更能锻炼大脑。
  Zuò xīn suàn bǐ yòng jìsuànqì gèng néng duànliàn dànǎo.
  Doing mental arithmetic is better for exercising the brain than using a calculator.