(𝑥−1)(3/4⋅𝑥+1/2)=0

Bài 2:Tìm x,biết:

1, 4/5-x=1/3

2, 2/3+5/3x=5/7

3, -12/13x+5=5 1/13

4, x:(-2 1/4)+1,5=-3/4

5,GTTĐ của x -3/4 - 1/4=0

6, 6-GTTĐ của 1/2-x = 2/3

7, (x-1)²=4/9

Bài 1: Thực hiện phép tính: 

1, 4/23 + 5/21 + 0,5 - 4/23 + 16/21

2, (1/3 + 12/67 + 13/41)-(79/67 - 28/41)

3, 12,5 x (-5/7)+1,5 x (-5/7)

4, 3/8x19 1/3- 3/8x33 1/3

5, 5/7x(-3/11)+5/7x(-8/11)+2 5/7

6, (-5/11:13/8-5/11:13/5)- giá trị tuyệt đối của -1/33

Write

1. I stopped written to her 2 years ago

->I......

2.We started living here 30 years ago

->We.....

3.This is the first time I've gone abroad

->I.....

4.Peter hasn't cleaned his room for 2 days

->....

5.She has never eaten such a delicious meal before

->....

6.Jane started keeping a diary since 2017

->.....

7.My mom has collected stamps since she was 30 years ago

->....

8.Minh hasn't had a swim for over a year

->

verbs form;

1.My uncle and Aunt(not live).....in the city.They (live).....in the countryside for over 30 years.

2.We (fly)...to Nha Trang several times,but last year.We (go)....there by train.

3.Nick(not be)....here...He just(go)....to the cinema.

4.I(use)...this ipad for 3 years.My mom(give)...it to me when I was in grade 6.

5. Look! They (herb).....their buffato.

6.I(not find).....my key yet.

7.She (repair)....her earphone at the moment.

8.You(grow)....trees around your house every year?

Words form:

1 My sister listened......and did her final exam......(care,good)

2 .....,Ao Dai was worm by both men and women(tradition)

3 Mr bell was the .....of the telephone(invent)

4 The doctor advised me not to eat ....food(health)

5 Mary said that she loved the ....of Viet Nam(beautiful)

6 We were impressed by the .....of the people here(friend)

7 My room is on the...floor (two)

8 I don't really like Minh because he .....(friend)

Rewrite:

1. I spent 2 hours doing my homework yesterday

->It......

2. What is the price of this T-shirt?

->how...

->how...

3. There are three floors in my house.

->My house

4.My father is older than Mr John

->My John

5. The Nile is the longest river in the world

-> No

tìm x

a, 3/4 + -1/2x = 1

b, 1/6 :x -1/3 = 1/2

c,(x+1/5)²=9

d,22/9-(x+1/2)²=7/3

e, 2|x|+1/2=2

f,|x+1/2|-1/6=1

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