算术

• I can not do this sum .
  我不会做这道算术题。
• He is not good at numbers .
  他不擅长算术。
• Many of the arithmetical problems were solved by false position .
  许多算术问题是用试位法解的。
• Are you good at figures ?
  你的算术好吗？
• He is good at arithmetic .
  他擅长算术。
• He is good at numbers .
  他擅长算术。
• It is useful to have checks against arithmetical errors .
  为防止算术计算中的错误，加以验算是有益的。
• Do not ask me to add up the bill : arithmetic is not my strong point .
  别叫我算帐单，我的算术可不怎么样。
• He is behind the others in reading but a long way ahead in arithmetic .
  他在阅读方面不如别人，但算术却遥遥领先。
• In fact, there are many programs that contain no arithmetic whatsoever .
  事实上，在许多程序中根本不包含有算术运算。