Ta có: 4⁷¹ = 4⁷⁰ . 4 = (4²)³⁵ . 4 = 16³⁵ . 4

Do 16³⁵ > 11³⁵ => 16³⁵ . 4 > 11³⁵ => 4⁷¹ > 11³⁵

Ex: Complete the following letter, using the suggestive words

Dear Sir,

1. I/be/interest/learning/English.

2.I/like/information/your school.

3.I/speak/English/but/I want/improve/reading/writing.

4.you/please/send/details/the course/fees?

5.I/look/forward/hearing/you soon.

.....

Ex2: write a short letter to your parents, using the suggested words

Dear mom and dad

0.I/having/wonderful time here/HA LONG.

1.I/arrived/bus sation/9am/yesterday.

2.Uncle Tan/meet/me/the station/then/take/home mortor bike.

3.I/visit/Tuan Chau Island/try/fresh sea food.

4.I/feel/happy/enjoy my selft/.The people/here/be friendly/the food/be/delicous/the sights/beautiful.

5.I/leave Ha Long/7am/next Sunday/. Please/pick/up/bus station/12.00.

Ex1: Write a short letter to you parents, using suggested words

1. I/arrive/My Dinh bus stations/3pm/last Sunday.

2.Aunt Chi/meet me/take me/home.

3.Yesterday, I visit/ uncle Ho's mausoleum/history Museum.

4. Tomorrow/I /go/Trang Tien street/buy/some books/and eat ice cream there.

5.I/come home/Thursday morning.

Ex: Order these letters to make meaningful sentences

1. You/please/can/send/and/course/details/fees/of?

2. My/know/to/when/mother/I/my/would/homework/wanted/finish

3. Am/I/letter/writing/inquiry/a/of/Principal/the/to

4. Evening/to/he/in/library/spend/his/used/the

5. Language/first/their/as/350 million/English/speak/people

6. New/a/built/school/our/last/village/year/in/was.

Giúp mình mới mình đang cần gấp để làm đề cương. Cảm ơn

1/ Although (A) I wanted to go(B) to the concert tonight, I decided staying(C) home(D)

2/ Lam called(A) yesterday and said(B) he needed(C) the report right now(D)

1/ when i last saw(A) John, he hurried(B) to his English club and didn't have(C) time to talk(D).

2/ Lam called(A) yesterday and said(B) he needed(C) the report right now.

3/ Unless she work(A) harder(B), she twill(C) finish ontime(D)

1 . Một ấm nhôm khối lượng 250g chứa 1l nước ở 20°C

a) tính nhiệt lượng cần để đun sôi lượng nước nói trên. Biết nhiệt dung riêng của nhôm và nước lần lượt 880J/kg.K , 4200J/kg.K

b) tính lượng củi khô cần để đun sôi lượng nước nói trên. Biết năng suất toả nhiệt của củi khô là 10⁷ J/kg và hiệu suất của bếp lò là 30%

~giúp mk nhanh vs cần gấp ~SOS