√4√6+8√3+4√2+18
=√(4√6+8√3)+(2+4√2+4)+12
=√4√3(√2+2)+(√2+2)²+12
=√[(√2+2)²+2.2√3.(√2+2)+(2√3)²]
=√[(√2+2)+2√3]²
=|√2+2+2√3|
=√2+2+2√3
Mình nghĩ như vậy
Choose the best answer a,b,c or d to complete the sentence. 1. I almost missed my flight ....... there was a long queue in the duty free shop. a. although b. since c.despite d. because of 2. I want to be well goomed .............. other people think nice things about me. a. in order to b. so as not to c. so that d. as soon as 3. .......... she is young, she is very independent. a. although b. because c. in order that d. in spite of 4. ......... I met the Gills, I had been gardening for nearly ten years. a. as soon as b. although c. after d. before 5. ........... he had finished his studies, he went to American. a. while b. before c. after d. until 6. You'll never guess what happened ........... I left my room. a. as long as b. as soon as c.after d. as far as 7. ........... They're expensive, they las forever and never go out of style. a.when b. as soon as c. even though d. because 8. She went back to live with her mother .......... she did not earn enough money to live in her own house. a. although b. so that c. in order to d. because 9. They were driving to Dallas ........ they caught an accident. a. when b. while c. before d. as soon as 10. ............. she was asleep, thieves broke in and stole her handbag. a. in order that b. although d. because of d.while
1 . Parents should control what their kids watch .... television A . from | B . in | C . on | D . at 2 . We must be quick . There 's ....... time left A . little | B . few | C . much | D . more 3 . We hope that one day robots ..... be able to do most of the things that a human cannot do A . will | B . can | C . need | D . must 4 . The antique table is very beautiful , but it doesn't fit in with the rest of the furniture which is ...... A . old | B . modern | C . expensive | D . recent 5 . We ..... do all we can to help the less fortunate children A . should | B . can | C . may | D . ought 6 . We ...... turn off our lights and other electri equipment during the Earth Hour A . can | B . should | C . need | D . ought 7 . What time ..... on television ? A . is news | B . are news | C . are the news | D .. is the news 8 . Robots make man's work .... A . most easy | B . easier | C . more easy | D . easily 9 . The neighbourhood , is very noise , ..... we enjoy living there . A . so | B . and | C. because | D . but 10 . To many sportspeople , taking part in the game is more important than ........ A . win | B . to win | C . winning | D . won
Viết 1 bài văn tả con chó,mèo,gà hoặc cá. Cảm ơn
Viết đoạn văn trinh bày suy nghĩ của em về lòng nhiệt huyết
cho nửa đường tròn (O;R), đường kính AB . trên nửa đường tròn đó lấy 2 điểm D,E sao cho DE = R , D thuộc AB . AB giao BE = {C} , AE giao BD = {H} . a, tứ giacs CDHE nội tiếp , xác định tâm b, CDE = CBA c, CH vuông góc AB d, ACB = ?
Vẽ cho tớ chủ đề một cô gái (not anime ,chibi) nhanh lên nha :>>
It is a beautiful drive. I am sure you (enjoy) .. the scenery
Giúp mình câu b với ạ Mình cảm ơn
mn ui giúp em với ạ .ko thì em bị cô bới đấy ạ ,mn giúp em ah
Giải phương trình sau : Cos^2(2x) =1/4
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