Đổi 9 yến = 90 kg
Con bò nặng là :
90 : ( 1-4/7) =210 ( kg )
Đáp số : 210 kg
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Đáp án:
210kg
Giải thích các bước giải:
9 yến=90kg
Khối lượng của con bò là:
90:(1-$\frac{4}{7}$)=210(kg)
Đáp số: 210 kg
Đề : Give the news using the present Perfect and past simple 1 : the train drivers / go on strike / stop work / at twelve o'clock 2 : the Queen / arrive in Toronto/ fly there / in an RAF 3 : Two men / escape from Parkhurst Prison / get away / during the night 4 : The actor Howard Bates / die in a car accident / his car / crash into a wall 5 : Linda Jones / win the women's marathon/ run it/ in 2 hours 27 mintues
Read the following passage and fill in each gap with only ONE appropriate word: Television is an important invention of the twentieth century. It has been ....(1).... popular that now we can ' t imagine what life would be .....(2) ....... if there were no television. Television is a major ....(3).... of communication. It brings pictures and sounds from around the world into millions of homes. Through ....(4)...., viewers can see and learn about people, places and things in faraway lands.Television ....(5).... our knowledge by introducing to us new ideas ....(6).... may lead us to new hobbies and recreations. In addition ....(7).... the news, television provides us with a variety of programs that can satisfy ....(8).... taste. Most people now seem to like spending their evenings ....(9).... television. It is more convenient for them to sit at home watching TV ....(10).... to go out for amusements anywhere else.
Giúp mình vs ..................
nghe hát ko, toi hát cho nghe =3= vẽ con chim vẽ to vào, Digi nhé
Cho biểu thức p=4x^3-9x.tìm x để p=0
tích sau có tận cùng bởi chữ số nào : 7x17x27x37x47x57x87x97
Bài này là tìm lỗi sai ạ, e ki bt lm ai giúp e vs
Rewrite the sentences , using the words given: 1. That girl ' s mother used to work with mine. That ' s the girl ...................................................................................... 2. They think the thief got in through the bathroom window. The thief ............................................................................................... 3. " I haven ' t got any siblings to play with ." She wishes ......................................................................................................... 4. My brother used to smoke. My brother has .................................................................................................. 5. Without your help, I shouldn ' t have been able to find my way. If you ...........................................................................................................
1 ô tô đi từ A lúc 8h45' và đến B lúc 10h với vận tốc 50 km/giờ. Tính độ dài quãng đường AB
Vt lại câu 3. If you don’t lern hard, you will get bad marks -> 4. I haven’t been to London before? -> ( Không cần giải thích đou )
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