user-avatar
0207halinh
2 năm trước
Đề: Cho tam giác ABC vuông tại A. Biết AB + AC = 49cm; AB - AC = 7cm. Tính cạnh BC. *P/s: SD lý thuyết Pytago; phải vẽ hình và trình bày cách giải đầy đủ nka! Thks a lot!
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

#Study_with_me Hôm nay mình ôn thi Anh mà có bài hơi khó nên nhờ các bạn chuyên Anh giúp mình . Ko có giải thích =report đấy Phrasal Verbs with "Up"-1 2. To stick a poster to a wall is the same as to ___ up a poster. a. liven b. put c. stand 3. To go from sitting to standing is the same as to ___ up. a. shoot b. speak c. stand 4. To go from being a child to being an adult is the same as to ___ up. a. heal b. grow c. hurry 5. To ask someone to talk loudly so that you can hear them is the same as to ___ up. a. talk b. ask c. speak 6. To rush so that you aren't late is the same as to ___ up. a. hurry b. fill c. cheer 7. To become happy after being sad or miserable is the same as to ___ up. a. put b. look c. cheer 8. To put nice clothes on and look smart is the same as to ___ up. a. stand b. lock c. dress 9. To clean a room is the same as to ___ up. a. clean b. seal c. cheer 10. To explode a bomb in a building is the same as to ___ up a building. a. blow b. mess c. make 11. To not go to bed early is the same as to ___ up. a. look b. stay c. lock

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team