demultiply

例句：

1. 1. The teacher asked us to demultiply the number by 2.
   老师让我们把这个数字除以2。
2. 2.If the population is doubled, we can demultiply the problem by half.
   如果人口翻倍，我们就可以将问题除以一半来简化。
3. 3. The company plans to demultiply its profits by 50% in order to cut costs.
   公司计划将其利润除以50%，以降低成本。