math problem Mathematical problems difficult maths problem; difficult problem in mathematics difficult maths problem difficult problem in mathematics
He is absorbed in the calculation of that difficult maths problem.
他全神贯注地在算那道数学难题。
—— 给力词典精选The hard math problem tripped up most of the students.
这道数学难题难倒了大多数学生。
—— 给力词典精选She is working at a difficult problem in mathematics.
她在做一道数学难题。
—— 给力词典精选The pupil always dallies over difficult math problems.
这个学生做数学难题总是慢慢吞吞。
—— 辞典例句She is working at a difficult problem in mathematics.
她在做一道数学难题。
—— 《新英汉大辞典》