4. Tính giá trị của biểu thức a) 32 – 6. (8 – 2^3) + 18; b) (3 . 5 – 9)^3 . (1 + 2 .3)² +4^2.

3. Tính giá trị của biểu thức a) 3² . 5^3 + 9²; b) 8³ : 4² – 5²; c) 3³. 9^2 – 5^2. 9 + 18: 6.

4. D. WRITING: Rewrite each sentence or question so it has the same meaning 1/ Athough the man gets carsick, he tries to get on the bus. In spite of/ Despite.............................................................................. 2. My mother told me to go to school although I was sick. -> In spite of 3. Tom was admitted to the university although his grades were bad. ->Despite 4. Although she has a physical handicap, she has become a successful woman. -> Despite 5. In spite of his good salary, Tom gave up his job. -> Although 6. The new restaurant looks good. It seems to have few customers. (however) -> 7. I found the film exciting ->I was 8. Her behaviour annoyed her teachers. FOUND -> 9. I thought the ending of the film is quite shocking. AT -> 10. This film interests me a lot. INTERESTED ->

Tính giá trị của biểu thức a) 143 – 12. 5; b) 27. 8 – 6: 3; c) 36 – 12 :4.3 + 17.

Giải bài toán sau bằng cách lập hpt

Tính giá trị của biểu thức (từ bài tập 1 đến bài tập 5): 1. a) 2 370 – 179 +21; b) 100 :5.4; c) 396 : 18 : 2.

5 Tỉnh giá trị của biểu thức: 35 – {5 . [(16 +12): 4+3]– 2. 10}.

5 Thầy giáo hướng dẫn học sinh tính giá trị của biểu thức 180 : {9 + 3 . [30 – (5 – 2)]} như sau: 180 : {9 +3 . [30 – (5 – 2)]} = 180 : {9 + 3 . [30 – 3]} = 180 : {9 +3.27} = 180 : {9 + 81} = 180 : 90 = 2 Quan sát các bước làm của thấy giáo và nhận xét thứ tự thực hiện các phép tính.

VI. Complete the second sentences so that it has a similar meaning to the first. 1. My hair now is much longer than that in the past. → In the past my hair used 2. I don’t have time to collect stamps as when I was in primary school. → I used 3. Did you often go to the beach when you lived in Nha Trang? → Did you use 4. Mr. Hung often went to work by motorbike, but now he goes to work by bus. → Mr. Hung 5. There were traffic jams in this street during rush hours, but now the street become wider. → There …………………………………………………………………….

4 Tính giá trị của biểu thức: 15 + (39 : 3 – 8). 4.