subtraction

• On the right side of the subtraction operator
  减法运算符右侧的
• Review on the research for addition and subtraction word problem solving
  加减文字题解决研究概述
• On the left side of the subtraction operator
  减法运算符左侧的
• Digital subtraction angiography abbr . dsa
  数字式减法血管造影术
• Addition and subtraction calculation , simple and interesting game
  加减法运算，简单而有趣的游戏。
• Performs vector subtraction on the two specified
  对两个指定的
• The results of the subtraction operation
  该减法运算的结果。
• Having thus mastered addition , they move on to subtraction
  这样掌握了加法以后，他们的兴趣转到减法。
• Auto adapted subtraction of multiples
  多次反射的自适应消减
• Two from five is a simple subtraction
  五减二是简单的减法