I like working on on maths.什么意思啊?

I like working on on maths.什么意思啊? i am working on make difference.Now,I am working on I'm working on a novel.翻译 they like working on a farm否定句 I like being on top i will lose what i am working on working on computers 翻译 I like working是什么意思 翻译一下英语 I AM WORKING ON IT I am working on more grant applications 如何翻译 I'm working on my computer.(变一般疑问句） I'm working _ my computer,用in or on? I've Been Working on the Railroad 歌词 翻译：I'm working on getting my masters I am working on my computer和I am working with my computer有什么区别 in working days ,还是on working days you bet on me like i bet on you