a) 3,5 thế kỉ = 350 năm.    

b) 150 tháng =12.5năm.

a)3 giờ 25 phút+2 giờ 50 phút=5 giờ 75 phút;b) 8 giờ 30 phút–4 giờ 45 phút=7 giờ 90 phút-4giờ 45 phút=3 giờ 45 phút

c) 6 giờ 35 phút × 2=12 giờ 70 phút= 13 giờ 10 phút ;d) 12 phút 30 giây : 5

a)3 giờ 25 phút+2 giờ 50 phút=5 giờ 75 phút;b) 8 giờ 30 phút–4 giờ 45 phút=7 giờ 90 phút-4giờ 45 phút=3 giờ 45 phút

c) 6 giờ 35 phút × 2=12 giờ 70 phút= 13 giờ 10 phút ;d) 12 phút 30 giây : 5

a)3 giờ 25 phút+2 giờ 50 phút=5 giờ 75 phút;b) 8 giờ 30 phút–4 giờ 45 phút=7 giờ 90 phút-4giờ 45 phút=3 giờ 45 phút

c) 6 giờ 35 phút × 2=12 giờ 70 phút= 13 giờ 10 phút ;d) 12 phút 30 giây : 5

1.It's sunny today.

2.It's rainy today in your city

3.I think many people will be a chef

4.They usually eat bread

1.It's sunny today

2.It's rainy today in the city

3.I think many people will be chef

4.They usually eat breads

To: The Wildlife Magazine 

From: Emily Carter 

Subject: Threats facing tigers and possible solutions

Date: 20 December 2025

This report describes the threats facing tigers and suggests some solutions to address the problem.

Research has shown that the main threat to tigers is habitat loss due to deforestation for agriculture and urban development. Tigers need large territories to hunt and live, but their natural habitats are shrinking rapidly. Another serious threat is poaching. Tigers are hunted for their skins, bones, and other body parts, which are sold illegally for traditional medicine and decoration. This has led to a significant decline in their population. 

One solution is to establish more protected areas, such as wildlife reserves and national parks, where tigers can live safely. Second, it is important to strengthen laws and increase penalties for poaching and illegal trade of tiger parts. In addition, we should launch educational campaigns to raise awareness about the importance of conserving tigers and discourage the use of products made from them.

In conclusion, there are serious threats to tigers, but with targeted efforts, their numbers can recover. Therefore, we recommend that governments, organizations, and individuals work together to implement these solutions and protect tigers for future generations.