Study Books (subject matter and exercises) 7th Grade

Books for 4 different subjects (Natural Sciences, History, Mathematics and Portuguese), 7th grade (3rd cycle). All have the same structure. Review of studied content; learn how to solve exercises through practical examples and model exercises; practice extensively and know how to manage time to excel in tests/exams. Unit price - €10 ‼️It is not mandatory to buy all 4 books‼️