---Is this math problem difficult? ---No, I can work it out

---Is this math problem difficult? ---No, I can work it out 改错This math problem is very difficult but I can work out it. 1.The math problem is so difficult that I can't work it out. This math problem is very easy.I can work it out.合并为一句 This math problem is _____ that one.I can't work it out This Maths problem is difficult.I can't work it out.的同义句 This problem is too difficult.I can't work it out,and() 高中英语题i can't work out this problem .it is a most difficult o This problem is too difficult.I can't work it out,and(). this math problem is ___ difficult.___ students can't work i This is so difficult a problem as no one can work out.as能不能换 -I bet nobody can work out this math problem.It's too diffic