Đáp án:
$√(46+6√5)$
$= √(45+2.3√5+1)$
$= √(3√5 + 1)²$ ($√45 = 3√5$)
$= |3√5 + 1|$
$=3√5+1$
#NOCOPY
$\sqrt{46+6√5}$
= $\sqrt{(3√5)²+2.3√5+1²}$
= $\sqrt{(3√5+1)²}$
= |3√5+1|
= 3√5+1
1.It's a pity,many of the children in the world are still suffering from hunger ->I wish no child 2.People in the world have conflicts and don't live in peace ->I wish 3.She never smiles at me -> I wish 4.Why don't you give up smoking? -> I wish 5.I would love to travel abroad ->If only 6.She is always leaving her books at home -> 7.His mother is sorry he can never get good marks ->His mother wishes
Ghép chồng 2 ảnh này lên nhau(có thể dùng app)
giải hộ mình câu 10b với 11 đc không ạ mình cảm ơn
ve falulu pripapra giup mn nha
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Tìm y ( 1/1x3 + 1/3x5 + 1/5x7 + 1/7x9 + 1/9x11 ) x y= 2/3 Mn giúp em với ạ, em cảm ơn nhiều!
Este CH2=CH-COOCH3 có tên gọi là A. etyl axetat B. metyl axetat C. metyl acrylat D. etyl fomatreport Nhanh nhanh câu 2 đó
a) Choose the best answer? Why? 1)A. changed B. learned C. laughed D. listened (gạch chân ed) 2)A. plates B. cakes C. mates D. places (gạch chân es) 3)A. east B. seat C. lead D. great (gạch chân ea) 4)A. fat B. any C. gas D. hat (gạch chân a) 5)She suggested.................to music A) listen B) to listen C) listening D) listened 6)Mary is keen................helping other people A) of B) at C) on D) in 7)Would you like a single room or................room? A) two B) second C) for D) at 8)Because................his laziness he failed the final exam A) of B) in C) for D) at 9)Peter never goes to school late, ................he? A) does B) did C) doesn't D) didn't 10)It’s time we................ the bus. A) catch B) caught C) to catch D) catching b) Choose the the best option to fill in the blanks Christmas is my (1) ………………. holiday. I enjoy (2) ………………. Christmas cookies and planning parties. I sending cards and hearing (3) ………………. old friends. I love seeing children open their (4) ………………. on Christmas morning. Most of all, I love one (5) ………………. custom that we have in our family. On the night before Christmas we (6) ……………….in warm clothing and go from house (7) ………………. house in our neighborhood. At each house, we (8) ………………. Christmas songs. Then we go to a hospital or a home for elderly people and we sing there. We want to let people (9) ………………. that we care about them. Afterward, we come home and drink hot chocolate by the (10) ………………. I love this! 1. A. like B. dislike C. favourite D. love 2. A. bake B. baking C. to bake D. baked 3. A. of B. with C. from D. by 4. A. presents B. gifts C. offers D. both A and B 5. A. special B. unasual C. strange D. rare 6. A. wear B. put on C. dress up D. get 7. A. by B.to C. after D. and 8. A. shout B. cry C. sing D. speak 9. A. know B. to know C. knowing D. knew 10. A. fireworks B. fireplace C. light D. firecrackers
Giúp mình bài hình này với ạ. Mình không biết có vẽ hình sai không mà không ra
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