他们解出那些数学题有困难 They_ _ _ _the difficult math problem.
他们解出那些数学题有困难 They_ _ _ _the difficult math problem.
英语这个数学题有点难 the math problem is ____ _____ ___difficult
They had _____/____ /_____ (in) _ the difficult math problem
在计算那道数学题时,他们遇到了一些麻烦.They ()some()()()()the math problem.
They worked out the math problem .
tht math problem is so difficult the i cannot work it ou用英文解
The maths problem is too difficult.math为什么加s
the math problem is _____ difficult for me ____ solve
The math problem was very difficult that few students could
The math problem is _____ difficult that only _____ students
I have __________(困难) working out the math problem.
they have no problems ___ out the math problem.