Công thức ổng quát tính diện tích hình ngôi sao $20$ cánh đều.

Thực hiện phép tính (Làm giúp em bài này vs ạ)

Phân tích thành hằng đẳng thức √2-√3

Tính nhanh Làm giúp em bài này vs ạ

Phân tích đa thức thành nhân tử 15x² +11x - 12 Làm nhanh ạk

Question 6. Choose the best answer to complete the following sentences. 1. The teacher asked me you this novel. (give / to give / giving / gave) 2. Today is hottest day of the year. (the / than / those / that) 3. They are camping next week. (go / gone / goes / going) 4. Mai helped me my housework. (at / on / with / in ) you help me , please? ( May / Should / Could / Have ) 6. Let me __ it for you. ( do / to do / doing / did ) 7. John has worked for that company_ 4 years. ( since / during / for / in ) 8. City life is different country life. ( to / form / of/ apart ) 9. What the cake like? ( does / do / are/ is ) 10. My son is too tired __dinner. (to have / have / having / had ) 11. The weather nice yesterday. ( is / was / will be / has been ) 12. He write to me once a week but he doesn't write any more. (use to/uses to/used to / using to) 13. What were you doing when the mailman to your house. (come / coming / came / comes ) 15. My mother wishes she beautiful and young forever. (can be / could be /is / has been)

Trong bài đường đi sa pa Vì sao tác giả gọi Sa Pa là “món quà kì diệu của thiên nhiên”

1 What activities do you like doing in your free time? 2 Which sports do you like doing? Which sports do you watch on TV? 3 \sit important to spend time outdoors? Why/Why not? Nhanh nha mn

Điểm cực tiểu của đồ thị hàm số y=x^3x^2+2 là

Giúp em nhé 😩😩😩😩😩😩😩😩😩😩😩😩😖😖😖😖😖