Thuật toán giải phương trình bậc nhất ax + b = 0: Bước 1. Nhập giá trị của a và b. Bước 2. Kiểm tra nếu a = 0. Nếu a = 0, kiểm tra nếu b = 0. Nếu b = 0, phương trình có vô số nghiệm. Nếu b ≠ 0, phương trình vô nghiệm. Nếu a ≠ 0, tính x = -b/a. Bước 3. Xuất giá trị của x.

Thuật toán giải phương trình bậc nhất ax + b = 0: Bước 1. Nhập giá trị của a và b. Bước 2. Kiểm tra nếu a = 0. Nếu a = 0, kiểm tra nếu b = 0. Nếu b = 0, phương trình có vô số nghiệm. Nếu b ≠ 0, phương trình vô nghiệm. Nếu a ≠ 0, tính x = -b/a. Bước 3. Xuất giá trị của x.

Thuật toán giải phương trình bậc nhất ax + b = 0: Bước 1. Nhập giá trị của a và b. Bước 2. Kiểm tra nếu a = 0. Nếu a = 0, kiểm tra nếu b = 0. Nếu b = 0, phương trình có vô số nghiệm. Nếu b ≠ 0, phương trình vô nghiệm. Nếu a ≠ 0, tính x = -b/a. Bước 3. Xuất giá trị của x.

SET A Your answers Your questions My favourite city My favourite city is Sydney. It's warm and sunny. They are friendly, and they love sports. I can take surfing lessons and see wildlife like kangaroos and koalas. It's famous for beautiful beaches and the Sydney Opera House. My friend’s favourite city What is your favourite city? What's the weather in Tokyo like? How are the people there? What can you do in Tokyo? What is Tokyo famous for?

SET B Your answers Your questions My favourite city My favourite city is Tokyo. It's warm in summer and cold in winter. They are nice and hard-working. I can eat sushi and visit temples. It's famous for Tokyo Skytree (the second-tallest building) and beautiful cherry blossoms. My friend’s favourite city What is your favourite city? What's the weather in Sydney like? How are the people there? What can you do in Sydney ? What is Sydney famous for?

Question 1: My favourite TV programme is ‘Blue Planet’. It's an educational programme about the ocean. Question 2: I watch TV every day after I finish my homework. Question 3: Yes, I played football with my friends last Saturday. Question 4: My future house will be big and have a large garden. It will be on the ocean. Question 5: I recycle paper and plastic to help the environment. I also plant trees in my neighbourhood. Question 6: I would like to have a home robot. It can help me clean my room, cook meals, and take out the trash.

I dream of having a robot named Franky. It's a small home robot. Franky can tidy up rooms, make simple meals, and even water my plants. I want Franky because it can help me with daily chores, so I will have more time to relax and play with my friends.

I dream of having a robot named Franky. It's a small home robot. Franky can tidy up rooms, make simple meals, and even water my plants. I want Franky because it can help me with daily chores, so I will have more time to relax and play with my friends.