Even today I have my daughter's minutely graded third-grade science exams, with grades like 23/25 or A minus.

我至今留着女儿三年级时细细批改过的科学小测验，得分基本是25题对23题或者A-程度。

youdao

Even today I have my daughter’s minutely graded third-grade science exams, with grades like 23/25 or A minus.

我现在还保存着女儿三年级时考的科学试卷，考试成绩打分很细致，分数一般被写成23/25或者A-。

youdao

Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.

VOA: special.2009.03.05

Its A-minus rating just makes investment grade, but Aetna is a huge generator of free cash flow.

FORBES: Magazine Article