Solution

方法

fāngfǎ

(answer to a problem (mathematics))

溶液

róngyè

(liquid mixture)

答案

dá'àn

(answer to a problem (mathematics))

解

jiě

(an act, plan or other means, used or proposed, to solve a problem.)

解決 /解决

jiějué

(an act, plan or other means, used or proposed, to solve a problem.)

解答

jiědá

(answer to a problem (mathematics))