1. Hoa regrets not going to the airport to say goodbye to her friend. ->Hoa ......................... the airport to say goodbye to her friend. (WISHES) 2. Despite his age, he’s still working. ->He still ………………………….…… despite his age. (RETIRED) 3. Despite knowing the area well, I got lost. ->I got lost ………………………………..the area well. (EVEN) 4. I do not intend to tell you my plans. ->I have.................................................... you my plans. (OF) 5. Bell spends all his time doing research. ->Bell has …………………………… doing research. (DEVOTED)

a)19^n+5•n+1890^n. b)2^4n+1 với N là số tự nhiên

Tính chu vi tam giác ABC có AB=3cm ; BC=5cm ; AC=4cm .

Plssssssssssssssssssssssssssssss

Giải thích dỳm em câu b và c, tại em có kết quả rồi mà không hỉu cho lắm ạ !

Lực acsimet trong không khí : F = d . V hay F = d. V . g? sao mình thấy có thầy dạy là có thêm g v?

III.Put the verbs in brackets into the correct form (gerund , infinitive).( Chia động từ trong ngoặc ở dạng đúng: động từ + động từ duôi –ing hoặc động từ + to động từ) 1. She expects (get) ………….…………. a pay rise next month. 2. His mother wants him (get) ………..…………… a good result in this semester. 3. I will refuse (work) ……………….….on Saturday and Sunday if I can’t get the double pay. 4. We promise (help) …………………..…….. him when he is in trouble. 5. Their friends hope (see) ………….……………… them again 6. The boss decided (go) ……………….…………….. abroad. 7. Miss Linda enjoys (work) …………..……………… with young children. 8. I start (work) ………………………. at 7:00 am every day. 9. I’m looking forward to (talk)……………….………to you soon. 10. Would you mind (open) ……………………………… the window?

Tính: `(10xx1+10xx7+10xx35+10xx45+10xx11+10xx2)/10`

Cho phương trình: 𝑥^2 − 2𝑚𝑥 + 𝑚^2 − 1 = 0 (1) 1. Giải phương trình khi m = 2.

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