HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
= 16/16 - 8/16 - 4/16 - 2/16 - 1/16
= 16 - 8 - 4 - 2 - 1/16 (16 - 8 - 4 - 2 - 1 là tử số)
= 1/16
Sắp xếp:
1. they/travel/work/car/everday
=> They travel to work by car everyday.
2. they/not listen/music/after/dinner
=> They don't listen to music after dinner.
3.how many/floor/house/have?
=> How many floors does your house have ?
4.there/be/any /flower/his garden
=> There aren't any flowers in his garden.
để A min thì x2-5 min
để x2-5 min thì x2 nhỏ nhất
=> x=0
=>(0-5)/(0+1)=-5
Chuyển câu sử dụng cấu trúc tương đương:
1. He usually smoked twenty cigarettes a day.
=> He used to smoke twenty cigarettes a day.
2. He can do this work.
=> He is able to do this work.
3. He has never been to Canada before.
=> Never has he been to Canada before.
5x - y = 1 => y=5x-1
Do đó 2x + 3y = 17x - 3
Vì 17x -3 > 5x -1 ( do x >0 )
Để y > 0 thì 5x -1 > 0 => x > 1/5
Suy ra m > 2/5
Vậy m > 2/5 thì nghiệm x , y thỏa mãn đề bài
Reorder the words to complete the sentences:
1. back/ in/ months/ England/ going/two/ are/ to/ they
=> They are going back to England in two months.
2. came/ when/ He/ were/ we/ having lunch
=> We were having lunch when he came.
3. were!/ delicious food/ How/ chung and day cakes
=> How delicious food chung and day cakes were!
1/ He used to go to the movies with me. ( go) 2/ They didn't come here yesterday. ( not come) 3/ She wishes she would go to America next year. ( go) 4/ You must study hard if you want to pass the final exam. (want)
Rewrite the sentences so that they are nearest in meaning to the sentence
printed before them.
1/ My cousin will meet you at the station.
=> You will be met by my cousin at the station.
2/ It’s possible to travel to Russia without a visa.
=> You can’t travel to Russia if you don't have a visa.
3/ The police said : “ Don’t touch anything in this room, everybody. ”
=> The police told everybody not to touch anything in that room.
4/ You don’t do any exercise and that’s why you put on weight.
=> If you do much exercise, you won't put on weight.
- Phần b you tự thay số vào 2 trường hợp rồi tính A =))
Nanh nên nào