Mathematics mainly reviews the types of applied problems. I suggest you buy a mathematical thinking ladder for primary school students and expand 60 lessons of Olympic Mathematics. It's not difficult, but there are many questions. Our teacher just bought this for us and gained a lot. Mathematics is not difficult now, but it is very flexible, so I suggest you buy a ladder for primary school students' mathematical thinking and expand 60 lessons.

Chinese mainly reviews words, as well as extracurricular knowledge, ancient poems, some famous ancient poems in Four Great Classical Novels, open-book poems of the Romance of the Three Kingdoms, and, uh, compositions, key texts, and so on.