a) \(1028-182=846\) 

b) \(108-11=97\) 

c) \(100-5+3=98\)

Ex8: Đặt nhẵng trạng từ trong ngoặc vào đúng vị trị của nó trong các câu sau đây:

1. I have had dinner with my family. (already)

2. Have you finished your report? You need to bring it to me before 9 a.m. (yet)

3. I haven't done my homework. (yet)

4. My sister has left the party. (just)

5. Your mother has told you to come home early. (already)

6. Has the mouse gone? (already)

7. I have met her. (just)

8. The paiter hasn't finished his work. (yet)

Tìm Ư:

a) Ư(5005)

b) Ư(62491)

nhưng \(\dfrac{-9}{15}=\dfrac{-3}{5}\) thì ta sẽ nó

bài mấy vậy bạn ?

a) ƯC

b) ƯCLN