Thời gian là:

180:90=2 (giờ)

Đáp số:2 giờ

Khối lượng đường lúc đầu trong bao là :

27 : 45 x 100 = 60 ( kg )

Đáp số : 60 kg

Có bn nào mún kết bn với mik ko

Bất cứ ai ở trong danh sách bn bè của mik thì dù có trả lời sai mik cũng k

Quãng đường đi xe đò là: 105-15=90(km)

đổi 2 giờ 30 phút = 2,5giờ

Vận tốc xe đó là:90:2,5 =36(km/giờ)

The lake/ are full/ rubbish. We/ should/ ask/ friends/ clean/ them/ Sundays.

The lake are full of rubbish. We should ask our friends to clean them this Sundays.

The hurricane/ was/ terrible. Many/ houses/ are destroyed/ many people/ become/ homeless.

The hurricane was terrible. Many houses are destroyed many people became homeless.

They/ cold/ hungry. They/ have/ live/ the street this winter. We should/ ask/ people/ help them.

They are cold and hungry. They have lived on the street this winter. We should ask people to help them.

We/ can/ cook/ meals/ bring/ them/ homeless.

We can cook meals then bring them to homeless people

We/ can/ ask/ people/ donate/ warm/ clothes/ help/ them/ rebuild their houses.

We can ask people to donate warm clothes then help them to rebuild their houses.

Yesterday I/ go/ school late/ because/ miss/ the bus.

Yesterday I went to school late because I missed the bus.

Do you like/ work with children/ with the elderly?

Do you like working with children or with the elderly?

It/ be/ good/ donate blood/ because/ you/ can/ save/ people's lives.

It is good to donate blood because you can save people's lives.

(5+5+5+5):4)-(10+10-15):2=?

(20:4)-(20-15):2=?

5-5:2=?

5-2,5=?

2,5=?

Vậy số cần tìm là 2,5

Đáp số:2,5

bong vang 7 qua

bong do 1 qua

bong xanh 1 qua

bong tim 1qua