改错Those have difficult in working out the maths problems can

改错Those have difficult in working out the maths problems can ask the

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

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