Chủ đề / Chương

Bài học

Lenna ^-^
Lenna ^-^

Lenna ^-^
Học tại trường Chưa có thông tin
Đến từ Chưa có thông tin , Chưa có thông tin
Số lượng câu hỏi 52
Số lượng câu trả lời 22
Điểm GP 0
Điểm SP 1

Người theo dõi (1)

Hồ Hoàng Khánh Linh
Hồ Hoàng Khánh Linh

Đang theo dõi (0)


Lenna ^-^
Lenna ^-^

x ^ 2- ( 2 + √2 + √3 ) x + 1 + √2 + √3 + √6 = 0

Tìm x
giúp e với ạ
Lenna ^-^

i+u+v+uv=(i+u)(i+v)

Giải thích giúp mình với ạ!!!
Lenna ^-^
Lenna ^-^

II. Điền từ thích hợp vào chỗ trống few, a few, little, a little

There are __few___(few, a few, little) people she really trusts. It’s a bit sad.There are _a few__(few, a few, little) women politicians in the UK. Many people think there should be more.Since taking office last year, the government has made_a few_ (a few, little, a little) changes in employment policy that concerns the public.Do you need information on English grammar? I have_a few_(a few, little, a little) books on the topic if you would like to borrow them.I have __a few___(few, a few, little) good friends. I’m not lonely.He has _little_(few, a few, little) education. He can’t read or write, and he can hardly count.We’ve got _little_(few, a few, little) time at the weekend. Would you like to meet?She has _little_(few, a few, little) self-confidence. She has a lot of trouble talking to new peopleJulie gave us __a few___(a few, little, a little) apples from her garden. Shall we share them?There’s _little_(few, a few, little) spaghetti left in the cupboard. Shall we eat it tonight?We have only_a little_ (a few, little, a little) time to finish all of the reports by tomorrow.We have _a little_ (a few, little, a little) knowledge of market analysis.Oh no, we just have _little_ (a few, little, a little) flour left, not enough for a cake.I enjoy my life here. I have _a few_ (a few, little, a little) friends and we meet quite often.The government has done _a little_ (a few, little, a little) or nothing to help the poorest people in this countryAt the moment we are experiencing some cash flow problems because _little_ (few, a few, little) money is coming in.We have _a little_ (a few, little, a little) knowledge of market analysis._few_ (few, a few, little) cities anywhere in Europe can match the cultural richness of Berlin.Unfortunately, _little_ (few, a few, little) of the companies which we sent offers to showed interest in our products.I had_a few_ (few, a few, a little) problems with the printer in the office, but it’s been fixed now.As so_few_ (few, a few, little) members had turned up at the meeting, it was decided to postpone(hoãn) it until further notice.We have to spend up – there is very_little_ (few, a few, little) time to finish the project. The deadline is next Wednesday.There is _a little_ (few, a few, a little) extra added to your salary because you will benefit from the inner city allowance.Last month was a good month for the company. We found _few_ (few, a few, little) new customers and also increased our profit.The postman doesn’t often come here. We receive _a few_ (few, a few, little) letters. The snow was getting quite deep. I had _a little_ (few, a few, a little) hope of getting home that night.A: I’m having _a little__ (few, a few, a little) trouble fixing this shelf -> B: Oh, dear. Can I help you? Ann is very busy these days. She has__little_(few, a few, little) free time.I strongly recommend investing in these shares because you will get a very good return after only _a few_ (few, a few, little) years.I shall be away for _a few_ (few, a few, little) days from tomorrow.Tony is a keen golfer, but unfortunately he has __little_ (few, a few, little) ability.I could speak _a few_ (few, a few, little) words of Swedish, but I wasn’t very fluent.He isn’t very popular. He has _a few__(few, a few, little) friends.I don’t think Jill would be a good teacher. She’s got_little_(few, a few, little, a little)patience.Most of the town is modern. There are__a few__(few, a few, little) old buildings.We must be quick. We have_little_(few, a few, little, a little) time.Listen carefully, I’m going to give you _a little_(few, a few, little, a little)advice.This is a very boring place to live. There’s _little__(few, a few, little, a little)to do.Do you mind if I ask you_a few_(few, a few, little, a little)questions?This town is not a very interesting place to visit, so _few_(few, a few, little, a little) tourists come here.“Would you like milk in your coffee?” – “yes, please. _a little_(few, a few, little, a little)”

 

 Mn check dùm em với ạ! Em cảm ơn
Lenna ^-^
Lenna ^-^

Cho tam giác ABC vuông tại A có AB < AC.Vẽ đường cao AH của tam giác ABC,AD là tia phân giác góc HAC ( D thuộc HC).Vẽ DE vuông góc AC tại E
a) CMR : Tam giác ADH = tam giác ADE Từ đó => DH = DE
b) Gọi K là giao điểm AH và D.CMRTam giác DKC cân
c) Gọi F là trug điểm KC.CMR : A,D,F thẳng hàng
d)CMR : AH + BC > AB + AC
e) Gọi I là trực tâm Của tam giác BAD.ĐƯờng thẳng vuông góc với AD tại A cắt phân giác góc IDB tại T.CMR tam giác ADT là tam vuông cân

Mn giảng giúp em câu e với ạ
Lenna ^-^
Lenna ^-^

tìm số nguyên x thỏa mãn -17/21< 9/x< -17/23
Lenna ^-^

a) (x+3)x=6 b) (x-1)(y+2)=11