Doing my homework is just painstakingly difficult

Hello, i'm an 18 year old highschool student in my senior year. As the title says doing my homework is just really difficult for me, not because i'm incapable of doing it but there's another reason. We had a math home test given before the real test, i completed the home test on an example paper (before i recopy it cleanly). It took about 3-4 pages to complete it. Now we have to give them to the professor tomorrow but the amount of dread i have to recopy it cleanly following every single redaction rule to get a decent grade. I'm not a bad student by any means, i'm a casual B- to B+ student not too good not too bad. I really want to check what people could recommend. This isn't the extent of my "procrastination" problem but i'm really hating myself every day for not studying even though i really want to do it.