mental calculation

心算

频率: 7.06.8 每百万词

A calculation done in one's head, without using a calculator or paper.

在头脑中完成的计算，不使用计算器或纸笔。

calculationADJECTIVE + calculation

分类:

mental

例句 (10)

mental calculation = 心算 (在头脑中完成的计算，不使用计算器或纸笔。)

  • He's incredibly fast at mental calculation and can solve complex problems in seconds.他的心算速度快得惊人，几秒钟就能解决复杂问题。
  • I did a quick mental calculation to figure out the tip at the restaurant.我快速心算了一下，算出了餐厅的小费。
  • For such large numbers, mental calculation is prone to error; it's better to use a calculator.对于这么大的数字，心算容易出错；最好还是用计算器。
  • Can you do a quick mental calculation of our total expenses for the trip?你能快速心算一下我们这次旅行的总开销吗？
  • She impressed the teacher with her ability to perform rapid mental calculation.她快速心算的能力给老师留下了深刻的印象。
  • Regular practice with puzzles can significantly improve your mental calculation skills.经常练习解谜可以显著提高你的心算能力。
  • The abacus is a tool that helps children develop strong mental calculation abilities.算盘是帮助儿童培养强大心算能力的工具。
  • Without a calculator, he had to rely on mental calculation to estimate the project's cost.没有计算器，他只能依靠心算来估算项目成本。
  • Her estimate was based on a rough mental calculation, not precise figures.她的估算是基于粗略的心算，而不是精确的数字。
  • The test included a section on mental calculation to assess the candidates' numerical aptitude.考试中包含心算部分，以评估候选人的算术能力。