YOU SAID:

did know only people who do math are smart

INTO JAPANESE

数学をする人だけが賢いことを知っていました

BACK INTO ENGLISH

Only those who do math knew that they were smart

INTO JAPANESE

数学をする人だけが彼らが賢いことを知っていました

BACK INTO ENGLISH

Only those who do math knew they were smart

INTO JAPANESE

数学をする人だけが彼らが賢いことを知っていました

BACK INTO ENGLISH

Only those who do math knew they were smart