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2.(5x+12)=50-(-14)

2.(5x+12)=64

5x+12 =64:2

5x+12 =32

5x =32-12

5x =20

x =20:5

x =4

2.(5x+12)=50-(-14)

2.(5x+12)=64

5x+12 =64:2

5x+12 =32

5x =32-12

5x =30

x =30:5

x =6

Chúc bạn học tốt!

250000

tich mik mik tich lai cho

1. Where does Salina live ?

She lives in a village in Africa

2. What does Salina do after she gets up ?

She walks three kilometers to the river

3. Is the water clean ?

No, it isn't

4. Can Salina read ?

No,she can't

5. Where does Salina help her mother ?

She help her mother in the house

II-Mistake correction .

1.She doesn't do his->her homework after going home .

2.Lan is my parents' daughter , so she is my brother->my sister .

3.Everyday , Dan and Viet go->do aerobics with theirfriends in the gym .

4.Today we have math but we aren't->don't have iton Saturday .

5.The store is between we house->between our house and the movie theater .

III-Finish the second sentence in such a way that is similar to the original one .

1. Huong's school bag is new .

=>Huong has a new school bag

2. Does Phong's school have forty classrooms ?

=>Are there forty classrooms in Phong's school

3.How many apples does she want ?

=>How many apples would she like?

4.Mr.Hung drives very carefully .

=>Mr.Hung is a careful driver

5.Does your father cycle to work ?

=>Does your father get to work by cycle?

6.How much does a box of chocolates cost ?

=>What is the price of a box of chocolates?

7.Nam likes tea .

=>Nam's favorite drink is tea

8.My house is behind the hotel .

=>The hotel is in front of my house

9.What about going to Dam Sen park ?

=>Why don't we go to DamSen park?

10.He goes to school on foot .

=>He walks to school

1. there is a big garde in front of my house ?

what is there in front of your house?

2. She will have a great party next week ?

when will she have a great party?

3. Peter is playing soccer with his friends now

who is peter playing soccer with now?

4. My mother gets up at six o'clock every morning

what time does your mother get up every morning?

5. Tom likes english best

what subject does tom like best?

6. the car is in front of the computer

where is the car?

7 . I brush my teeth twice a day

how often do you brush your teeth?

8. I have english on mondays and thursday

when do you have englisH?

9. There are sixteen bays in my class

how many bays are there in your class>

10. she is cooking in the kitchen now

what is she doing in the kitchen now?

No thanks. I have one.

Số gồm: “ Năm  trăm mười đơn vị, 6 phần nghìn ” được viết là:

A. 500,6

B. 5,006

C. 510,0006

D. 510,006