mr robert was a very good maths teacher
->mr robert taugth...

WRITING
Write complete sentences in the Past Simple, using the prompts given.
1. We/ attend/ a course in communication skills/ a week ago We
2. They/find/ some solutions to the housing problem of the poor.
3. We/ interview/ each individual member of the community
. 4. What time/ the volunteers/ come/ the flooded town/ last night?
5. They/take/ her into hospital/ because/ she/ suddenly feel/ very tired.
6. Money from local businesses/help/ to save the nursing home from closure.
7. The farmers and the volunteers/ shake/ hands and/ exchange/ greetings.
8. A local businessman/ save/ the day/ by/ donating USD 20,000/ to the school.

21^5.9^4/6^3.8^3

(x-1/3)^3=27

\(\dfrac{-19}{2^3.3^2.5}=...\)

\(\dfrac{3}{4}x+0,5-2x=0\)

cho n điểm trong đó không có 3 điểm nào thẳng hàng cứ qua 2 điểm ta vẽ được 1 đường thẳng biết có 465 điểm tạo thành. tìm n 

so sánh : 13/27 và 1313/2727