When you subtract two numbers, you subtract a subtrahend from a minuend. 当你作两个数的减法时,你用一个被减数去减另一个减数。
The results indicated that students represented total subtrahend problems also had direct translation strategy and problem model strategy, which were the same as compare problem. 结果表明:(1)与比较应用题的表征相类似,小学生对和差应用题的表征也存在着直译策略和问题模型策略;