上数学课英语怎么说读

"上数学课" in English is "to attend a mathematics class."
The phrase comes from the verb "to attend" meaning "to be present at (a meeting, class, etc.)," and the noun "mathematics class" meaning "a course of study in mathematics."
Examples in English:
I have to attend a mathematics class tomorrow.
She never misses a chance to attend a mathematics class.
Examples in Chinese:
我明天必须上数学课。
她从不错过上数学课的机会。