chiều rộng hình chữ nhật là:

      (26-8)/2=9(cm)

chiều dài hình chữ nhật là:

        26-9=17(cm)

diện tích hình chữ nhật là:

      17*9=153(cm²)

               Đáp số: 153 cm²

Gạch chân và sửa lỗi sai :

1: These is some onion.
Sửa: is -> are,
onion -> onions

2.Miss Lan alwways go to the cinema twice in a week .
Sửa: alwways go -> always goes
twice in a week -> twice a week.

3. He needs any meat .
Sửa: any -> a little

4.Do you have some cooking oil?
Sửa: some -> any

5. I have often vegetables ,fish and meat for dinner.
Sửa: have often -> often have

6.Who's that ? It's Mai father .
Sửa: Mai father -> Mai's father.

7. He doesn't want some eggs.
Sửa: some -> any

8.It usually is hot in the summer.
Sửa: usually is -> is usually

ko lên đăng toán như 1+ 1 hoặc 2+2  nha

Điền 1 từ thích hợp

1.She will be here..at..Chrismas

2.Nam is very diffirent....from......his brother

3.I must talk...to...you now

4.The earth goes..around..the sun

5.Last year,she came to school...for...the first time

+6.Her family is living.....in......Hue

7.............Unlike......her friends,she is quite reserved in public

Put since or for

1. The house is very dirty .We haven't cleaned it ..for.. ages

2.I haven't had a good meal .since.... last tuesday

3.Kevin has been looking for a job ....since... he left school

4....Since..... Christmas, the weather has been quite good.

5. She's been in France ....for.... the last three weeks