cho mạch điện R1nt[(R2 nt R3)//R4]. Biết r1=r2=r4=2r3=40 ôm. I2= 0.4A. Tính các hiệu điện thế Uad,Uac.

Chuyên bị động C4. VietNamese people celebrate their Lunar New Year Festival around January and February C5. Our teacher always advises us to study harder on the second tern C6. The library of Congress in the USA employs over 5000 employees

1995: 43 bằng bao nhiu? Đặt tính ròi tính

hứa sẽ vote 5sao, tym, ctlhn cho người nhanh nhất lại có kết quả đúng muộn cũng vote 5 sao , tym nha

Giúp mình với mình cần gấp mình cảm ơn ạ

Giúp mình giải ý d bài này với. Còn mỗi ý cuối chưa làm được :<

viết thơ tự nghĩ lẹ nha.....................

bài 2 thoi ạ ko càn hình cx đc;-;

IV. Complete the sentences with the to-infinitive or -ing form of the verbs in brackets. 1. I have enjoyed ___________ (meet) you. Hope ___________ (see) you again soon. 2. My father is not keen on coffee. He prefers ___________ (drink) tea. 3. I am a little busy. Would you mind ___________ (wait) a little longer? 4. Mobile games are great, but I don’t like ___________ (play) them for too long. 5. If I can choose, I prefer ___________ (stay) at home to ___________ (play) sport. 6. Tonight I’d like ___________ (go) out, but I have to do my homework. 7. Sue loves ___________ (make) origami. She can fold some animals, birds and flowers. 8. I detested ___________ (spend) two hours every day travelling to work and back. 9. He started ___________ (surf) the net hours ago. Has he stopped ___________ (surf) yet? 10. I tried hard ___________ (concentrate), but my mind kept ___________ (wander). Cả nhà giúp mig với !

Tìm x x + 2/2018 + x +3/2017 + x + 4/2016 = -3