数学有些难度，我发现错了一题。

Mathematics some difficulty, I found that the wrong one.

youdao

又或者，你去上数学课，由于难度级别超过了你的能力，让你觉得有些跟不上。

Or you attend a mathematics class, and you have some trouble keeping up because the difficulty level is beyond you.

youdao

又或者，你去上数学课，由于难度级别超过了你的能力，让你觉得有些跟不上。

Or you attend a mathematics class, and you have some trouble keeping up because the difficulty level is beyond you.

youdao