那可是第一次数学考试不及格。

That's the first time failed the math exam.

youdao

这学期的一次数学考试，我考了九十八分。

This semester in a math exam, I got ninety and eight.

youdao

她要参加一次数学考试。

She is going to have a math exam.

youdao

Anyway we have our second mid-term exam on Monday and it will be like the first mid-term but it will be less mathematical.

无论如何，我们在周一会有我们第二个期中考试,并且它将会像第一次期中考试一样,但是数学方面会涉及的更少。

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