Quyển sách sau khi giảm giá sẽ có giá là:

         29500 : 100 x 16 = 4720.

                                  Đáp số : 4720.

Kích giúp mình nếu các bạn thấy đúng nha!

Đường kính hình tròn là
12,56:3,14=4

Ta thấy:2x2=4,suy ra bán kính là ư

Diện tích hình tròn là:

2x2x3,14=12,56

Đáp số:12,56

=66+55+{22+88}

=66+55+100

=221

1 + 100 + 200 + 900 .

= ( 100 + 900 ) + 1 + 200

= 1000 + 1 + 200

= 1001 + 200

= 1201 .

Thế đấy !

100+900=1000

k minh nhe 

chuc ban hoc gioi

100 + 100 =200

 nhớ bn k cho mk nhé, mình đang bị âm điểm đó

28

ai tk mk3

mk tk lại

mk hứa

yên tâm

thank

Choose the correct answer:

1) I usually play football when i have____.

A.Do B. good time C.no time D.times

2) In team sports, the two teams_____against each other in order to get the better score.

A.are B. do C.make D.compete

3)_____draw on the walls and tables, please.

A.Do B.Don't C.Should D.Shouldn't

4)Nam plays sports very often, so he looks very_____.

A.sport B.sports C. sporty D. sporting

5)Last summer, I_____fishing with my uncle in the afternoon.

A.go B.went C. goes D.going

6) I like watching football matches, but Im not very good_____playing football.

A.at B.in C.on D.for

7)Team sports are sometimes called_____sports.

A.compete B.competition C.competior D.competitive

8)"_____do you do judo?" - "Twice a week."

A.When B.Where C.How often D.Why

9)_____sports do you like watching on TV?

A.How B.What C.Do D.How often

10)Football is regarded_____the most popular sports in the world.

A.for B.as C.like D.of

11)Sports and games_____an important part in our lives?

A.play B.do C.go D.make

12)When you go to the zoo, don't_____the animals.

A.play B.do C.tease D.watch

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