100dm³ = 1m³

570dm³ = 500dm³ + 70dm³

            500dm³ = 5m³

    70dm³ = 7/10m³ = 0,7m³

      5m³ + 0,7m³ = 5,7m³

              Đáp số: 5,7m³

1.We practice English every day to be good at it.

2.I am going to join the stamp collector's club next week.

3.They are rehearsing a play with their school theater group.

Đổi 1 giờ 30 phút = 1,5 giờ

Tổng vận tốc 2 xe là :

124,2 : 1,5 = 82,8 (km/giờ)

Vận tốc xe máy là :

(82,8 - 10,4) : 2 = 36,2 (km/giờ)

Vận tốc ôtô là :

(82,8 + 10,4) : 2 = 46,6 (km/giờ)

ĐS : xe máy : 36,2km/giờ

       ôtô : 46,6km/giờ

Like mình nha !

80 cm2

1 like nhé!!!

1.Don't let you be seen by the other.

2.Let them be told about it.

3.It is dangerous for the short cut to be taken by us.

4.Pleasant memories are brought back by your story.

5.Don't speak until you are spoken to.

6.It must be seen to be believed by you.

7.He wants some photographers to be taken.

8.How many games have been played by the team?

 9.How long has the doctor been waited for?