suan4
shu4
  1. to count numbers
  2. to keep to one's word
  3. to hold (i.e. to remain valid)
  4. to count (i.e. to be important)

Examples

好啊!我现在是天天混日子混过去算数。
算数处理数字。
有多少本算数书留着?
那算数吗?

Info