YOU SAID:

I have to study from math after school but I have no time.

INTO JAPANESE

放課後数学から勉強しなければならないのですが、時間がありません。

BACK INTO ENGLISH

I have to study mathematics after school, but I don't have time.

INTO JAPANESE

放課後に数学を勉強しなければならないのですが、時間がありません。

BACK INTO ENGLISH

I have to study math after school, but I don't have time.

INTO JAPANESE

放課後に数学を勉強しなければならないのですが、時間がありません。

BACK INTO ENGLISH

I have to study math after school, but I don't have time.