k) 70 x , 80 x và x > 8 (x thuộc n m) x 12 , x 25 , x 30 và 0 < x < 500,( x thuộc N

Cho mình hỏi là trong thiết bị nào có cuộn cảm thì cũng sẽ có xảy ra hiện tượng tự cảm đúng không cô? Theo thí nghiệm nam châm qua vòng dây của faraday thì có hiện tượng tự cảm không? Với hiện tượng tự cảm có ứng dụng gì ạ? Các ứng dụng thực tiễn, ngoài máy biến áp?

1) I/ My father was ill. 2) Susan made this cake herself/ her. 3) Sam lost his/ him ticket. I gave his/ him my/ mine ticket. 4) She finished the whole work herselves/ herself. 5) Derek picked up flowers for him/ his mother. 6) My/ Mine mother and I/ my went to shopping yesterday. 7) Hers/ She was the best player I/ my have ever seen. 8) Did your/ you cut your/ yours hair yourself/ yours? 9) It/ Its isn’t my/ mine umbrella. My/ mine is green. 10) His/ He car was very fast. But her/ hers wasn’t as fast as him/ his. 11) My mother and I do the shopping myself/ourselves. 12) They/ Them like playing tennis. 13) My/ Mine grandfather has an old car. his/ he loves it/ itself much. 14) I warned they/ them but they/ them didn’t listen to I/ me. 15) What happened to your/ yours car? 16) This is my/ mine jacket. Where is your/ yours? 17) Kate walked in the darkness by herself/ sheself. 18) Did they/ their car break down yesterday? 19) Is she her/ hers mother? 20) This is a stray cat. I don’t like its/ it. Its/ It’s tail is too short. 21) Your handwriting is beautiful. Look at mine, me/ I don’t like them/ they at all! I/ Mine wish my/ mine was like you/ yours. 22) I introduced myself/ ourselves to the tourists.

Viết calli: " Sinh nhật vui vẻ " đẹp, ko app, tone sáng, ko ô li, ko kẻ ngang, 1 pic kí, 1pic ko kí ( Nhớ là chụp ko kí trc nhá vì tranh này mk đi tặng ) P/S: Chúc anh Chiu sinh nhật vui vẻ <33

giúp ạaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Cho 6,2 gam Na2O vào 133,8 gam dung dịch NaOH có nồng độ 44,84%. Tính nồng độ phần trăm của chất có trong dung dịch ?

vẽ pé mầm cute NL : Mình rất thích mùa thu

Có ai biết quả cầu đùng để đánh cầu lông trong tiếng anh là gì không?

16. Write the full sentences using given words. 1. He/ often/ have/ breakfast/ late. ........................................................................................................................... 2. You/ do/ the housework/ at the moment? ............................................................................................................................... 3. I/ not/ go/to/ school/on weekends. ....................................................................................................................... 4. John's girlfriend/ wear/ a red T-shirt/ now. ....................................................................................................................... 5. They/ like/ beer or wine? ................................................................................................................................ 6. What/ he/ usually/ do/ at night? ............................................................................................................................. 7. The teacher/ never/ lose/ his temper. ............................................................................................................................. 8. Why/ you/ listen/ to music/ loudly now? .............................................................................................................................

Giải chi tiết *o ) 1 + 2 + 3 + … + x = 78 *p) ( 2 + x ) + ( 4 + x ) + ( 6 + x ) +…+ ( 52 + x ) = 780 ;