Bài 3: Sắp xếp các số sau theo thứ tự tăng dần Bài 4: Viết dưới dạng phân số thập phân, số thập phân và phần trăm Bài 5: Viết các phần trăm sau dưới dạng phân số, số thập phân 6%, 9%, 125%, 120%, 15% Bài 6: Viết các số thập phân sau dưới dạng phần trăm, phân số, hỗn số 2,25; 2,5; 1,75; 1,6. Bài 7: Đổi ra mét và viết kết quả dưới dạng phân số thập phân 34cm, 524mm, 70mm, 93dm

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