改错Those have difficult in working out the maths problems can ask the
问题描述：
改错Those have difficult in working out the maths problems can ask the
答
Those who have difficulty in working out the maths problems can ask the teacher.
首先,你这个句子错误太多,those不能引导一个句子,后面要有who方可以,其次,have difficulty in doing something,这里要用名词difficulty
最后,你的句子没给完整,后面的宾语丢掉了