Bài giải
Số chỗ ngồi tăng thêm là:
300 - 270 = 30(chỗ)Số ghế mỗi hàng là:
30 : 2 = 15(ghế)Số hàng ghế lúc đầu là:270 : 15 = 18(hàng)Đáp số:18 hàng
xin hay nhất ạ!
Số chỗ ngồi được xếp thêm:
300 - 270 = 30 (chỗ)
⇒ Số chỗ ngồi mỗi hàng:
30 : 2 = 15 (chỗ)
⇒ Số hàng ghế lúc đầu:
270 : 15 = 18 (hàng)
cho pt x^2-(m+1)x +m =0 tìm m để pt có 2 nghiệm pb x1,x2 giả sử x1>x2 tìm m để x1,x2 là độ dài 2 cạnh góc vuông của 1 tam giác vuông có 1 góc nhọn = 60 độ
giup mk vs .......................................
Giải giùm em , vẽ hình thì càng tốt ( Đc hay nhất )
Giả thích chi tiết giùm mk nhé, làm đày đủ Thanks các bạn trước nha !
Làm ơn giải giúp mình vơi mình đang cần gấp 2.2. I can’t wait for my 18th birthday because I know I’ll be getting a second-hand car, even though my parents have been a bit 21____ (worry) about me driving. They feel that I’m still rather 22____ (responsible). I think this is because they’ve read reports in the press about teenagers who don’t drive 23____ (safe) and exceed the speed limit. Luckily, I’ve managed to persuade them that I am mature and 24____ (rely). Because I’ve wanted a car so 25_____(bad), I’ve even been on a course where I learnt extra 26____ (drive) skills, such as recognising hazards, as well as space and speed 27____ (manage). I realise that the roads are very 28____ (danger) and that my 29____ (behave) may affect other people’s lives. Hopefully, I’ll be able to live up to my parents’ 30____ (expect).
Phát âm A.Pet. B. Basket C. Enough D. Mét Có giải thích
IV. Match the column A with column B. (2pts) A B Answer 1. a bottle of 2. a packet of 3. a bar of 4. a kilo of a. cooking oil b. rice c. tea d. soap 1. ……. 2. ……. 3. ……. 4. …….
nhờ mọi người em cần gấp cảm ơn nhiều
Vẽ sơ đồ Mạch điện kín gồm:bộ nguồn điện 1pin,1đèn,1 khóa đóng,1ampe kế mắc nối tiếp
2.1 If you’re a11____ (visit) in Bangkok and you want a quiet meal in a small, family restaurant, the Royal Dragon is probably the 12____ (bad) place you can go! According to Guinness World Records, it’s the 13____ (large) restaurant in the world. It employs about 1,000 members of staff and can serve food to 5,000 customers at the same time. It’s a seafood restaurant, but it also serves 14____ (tradition) Chinese, Japanese and Korean dishes, and some 15____ (Europe) food too. Every evening, there is some form of 16____ (entertain): Thai music, dance or 17____ (box). And the waiters are also 18____ (interest) to watch. They wear roller skates so they can bring the food to the tables 19____ (quick). The staff in the kitchen have to work fast too. When they aren’t 20____ (cook) food for the customers, there are 25,000 plates to wash every day!
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