HOC24
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Ta có \(S=5.\left(\frac{1}{20}+\frac{1}{21}+...+\frac{1}{49}\right)\) \(S>5.\left(\frac{1}{49}+\frac{1}{49}+...+\frac{1}{49}\right)\)30 số hạng \(S>5.\frac{30}{49}\) \(S>\frac{150}{49}\) \(S>3\frac{3}{49}\)Suy ra \(S
1 what a beautiful beach!we will go there on summer vacation
2 tokyo is one of the most expensive in the world
3 life in city is nosier but funnier than life in countryside
4 my sister is a journalist .she writes for Thieu Nien newspaper
5 plane is the fastest means of transport
1 this room is the nicest in the hotel
2 jack is the most intelligent pupil in the class
3 Russia is the largest country in the world
4 Everest is the highest moutain in the world
5 He is a good player in his team
6 good health is important thing in life
7 this car is the more expensive than that car
8 my new school is different from my old school
9 this room is more beautiful than that one
10 nga is going to invite lan to her party tomorrow
How far from Danang to Hoi An?
1 Mai will have birthday at her house next Sunday
2 It ten to seven and I have to go school
3 My English class starts at 7a.m
4I like reading my favourite subjects Literature
5 We have to wear uniform when we go to school
6 These racks have magazines and those have reference books
7 it is easy to find book write when i need to read
8 Where can i find history books?
9 she always skips rope at recess
1 How does Linh go to the market?
2 How many students are there in your class?
3 What time does he go to school?
4 What does your mother do?
5 Does she play badmiton after school
6 Are there any stores near your house?
bai truoc bi giam minh lam lai nha
1 being
2 team
3 from
4 orther
5 meal
6 their
7 not
8 well-known
9 and
10 famous
nhầm câu c là No,she doesn't
a) she is from Hue
b)she is staying with her uncle and aunt
c)No she have not
d) because she misses her parents and her friends
1 shouldn't
2should
3 may
4 may
5 shouldn't
6 may
7 must
8 must
9 may
10 mustn't
bạn Trần Việt Hà sai rồi
7 far là phải far from
10 lenght là độ dài mà đó là khoảng cách nên phải là distence
2 sai luôn