1.sharpener

2.ruler

3.compass

4.bicycle

5.calculator

5.textbook

HOK TỐT

TL :

1. sharpener

2. ruler

3. compass

4. bicycle

5. calculator

8. textbook

Chúc bn hok tốt ~

sau mỗi dấu chấm là 1 câu

1-> jungle

2->river

3-> tôp

4-> còn lại 

IN MY FAMILY ,..............................................

There are four people in my family : my parents , my brother and I . My father is forty-four years old. He is a worker in Truong Hai company. He is a jovial man who always tell many funny stories to make us smile. My father s gardening very much as well as watching Tv programs. Un most men , my father s cooking and he cooks very well. My mother is at the same age as my father.My mothers is also a worker . She s cooking and traveling too, so whenever my parents have free time, we go some place interesting to relax . It's a great time. My brother is eight years old. He studies in primary school. He is interested in computer games and sports football .I am now in my final year at the secondary school and in my attempt to win a place at university , i am under a lot of study pressure .However , being the eldest child and the only daughter in my family I try to help with the household chores such as wash the dishes , mop the floor and so on . Members of our family have very close relationships with each other . We often share our feelings, and whenever problems come up , we discuss them frankly and find solutions quickly. In sum , My family is important to me .I love my family very much

Ta có:

n(n+2021)

=n( n+1+2020)

=n(n+1) + 2020n

Vì n và n+1 là 2 số nguyên liên tiếp

\(\Rightarrow n\left(n+1\right)⋮2\) 

mà 2020n cũng chia hết cho 2

=> n(n+1) + 2020n\(⋮2\)

hay n ( n + 2021 ) \(⋮2\)

hay n ( n + 2021 ) là số chẵn

n(n+2021)

=n(n+2020+1)

=n²+2020n+n

=n(n+1)+2020n

a minh quen

A.do not throw

B.not throw

C.throw

d.can not throw

Mình đánh theo số thứ tự nhé !

in : 1,7,10,5,6

at : 2,9,11,

on : 3,4,8,12

Chọn C

HTD :

My teacher is Mr. Quang. He _______(teach) us History.

_____ (be) she our new classmate?

HTTD :

He's _______(go) to school now.

Mai _______ (be) doing her homework at the moment.

TLD :

I'm ________(go) to my grandparent's house in this Sunday.

QKD :

Linh : Where are you last Sunday? I can't see you.

Mai : I went to my grandparent's house.

thanhs

Chọn C

Chúc bạn học tốt!

Nam brushes his teeth after meals and before going to bed every day.

chọn B nha bạn

chúc bạn hok tốt  ^-^

Chọn B

Chúc bạn học tốt!