Trai sông

Lỗi

1. A new supermarket is going to be built next year.

2. Nobody in the village sings better than Lan.

3. He has lived in Hanoi since he was 12.

4. Although it rained heavily, they went out.

5. If you don't keep silent, you'll wake the baby up.

A

Lỗi

phụ nhau

have known

D

reading

Nửa chu vi thửa ruộng:

240:2 = 120 (m)

Chiều rộng thửa ruộng:

(120 - 22):2 = 49 (m)

Chiều dài thửa ruộng:

49 + 22 = 71 (m)

Diện tích thửa ruộng:

49 x 71 = 3479 (m²)