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2 năm trước
một khu đất gồm hai mảnh : mảnh hình thang và mảnh hình tam giác . Cho biết diện tích hình tam giác ADE là 742,5 m ² ; độ dài BC bằng 6/11 độ dài AD . tính diện tích khu đất dó
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Hãy sửa lại từ không đúng trong các câu sau 1. I'm afraid you will regret to lend / him the money 2. Please remember / wiping your feet before / coming in 3. She has been waiting / for / her mother / for five o'clock 4. He will be / in town on Monday till Saturday 5. There were / a lot of visitors in the city since last month 6. This exercise is / so difficult that we can / do it 7. You should certainly to tell them to / bring their books next time 8. Do you know the man who / walked / on the other side of the street? 9. I was writing a letter to him before I heard / from him 10. The trees were cutting / down when I came / to his house Các từ sai: 1. I'm afraid / will to lend / him 2. remember / wiping/ before / coming 3. has been waiting / for / her mother / for 4. will be / in on / till Saturday 5. were / a lot of / in / last month 6. This exercise is / so difficult that we can / do it 7. to tell / to / bringnext time 8. who / walked / on/ other 9. I was / to /heard / from 10. were cutting / down/ came / to

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