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Bài 2:
a/b=-3/4 ⇒-a/b=3/4⇒-(-a/b)=+3/4
a/b=-4/5⇒-a/b=4/5⇒-(-a/b)=+4/5
a/b=-9/11⇒-a/b=9/11⇒-(-a/b)=+9/11
a/b=0⇒-a/b=0⇒-(-a/b)=0
Chúc bn học tốt ~
Mn ơi mình làm rồi mn chỉ cần nhìn xem có đúng không thôi nhé mình đang gấp giúp mình nhé mình sẽ Vote 5 + tim + Ctlhn nhé
S=3/2 + 9/4 + 25/8 + 65/16 + 161/32 + ......+ 10241/1024
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Làm hộ mik câu e bài bài 3và câu c,d,f bài 4
để có 16 hợp tử cần bn tb sinh tinh và bn tb sinh trứng .biết hiệu suất =25 phần trăm ở cả 2 giới
III. Choose the best answer for each blank to complete the sentence: 1."Which ....................... is Britain in?" - "Europe". A. country B. continent C. city D. area 2. Nha Trang has an ....................... atmosphere of a young, ....................... city. A. exciting - growing B. excited - grown C. exciting - grown D. excited - growing 3. Eiffel Tower is the most visited ....................... in the world. North America the USA Singapore Britain Europe South America Brazil Asia A. city B. building C. region D. landmark 4. The Sydney Opera House is well-known in ........................ as well as over the world. A. America B. Australia C. The USA D. Italy 5. I ...................... to Wooden Church many times A. am B. have been C. was D. were 6. Vietnam is a tropical............................ A. capital B. world C. country D. weather 7. We had a wonderful holiday in Hue because we visited many .................. of interest there A. places B. buildings C. cities D. times IV. Give the correct form of the word given to complete the sentences: 1. New York is an....................................... city with many skyscrypers. (excite) 2. There are many modern............................... in Ho Chi Minh City (build) 3. Ha Long Bay is one of the most............................ places in Viet Nam (beauty) 4. The weather in Kon Tum is.............................. than the weather in Da Lat (hot) V. Complete the sentences using the given words in the box: cities, beaches, capital, famous, tourists, continent, country 1. - Which ......................... is the world’s smallest? - Australia 2. Da Nang attracts lots of ..........................because it has the most beautiful .......................... in Viet Nam. 3. Chicago and Los Angeles are the big ................... in the United States 4. Hoi An is ......................... for old houses and traditional crafts. 5. Vientiane is the ....................... of Laos
he is driving so fast;he may...other road.....(dangerous\use) 1.traffic accidents can be...if people obey the traffic rules strictly(prevent) 2.you will enjoy the film. It's so ..(entertain) 3.you will be very...when you see that film(frighten) 4.It's very...to learn english(interest) 5.I'm very ..in learning foreign languages(interesting) 6.the festivals show the...values of...communities(culture\differ) 7.this festival gives people a chance to learn about the true...of brazil(cutural) 8.on specials occasions,people usually have...drinks(celebrate)
a,3(x-1)^2-2x(x-1)=0 và x(x-1)=0
Giúp mik câu 32,43,44,45,50 bài IV và bài V ạ
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