Cứu vs mn oi
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DG
2
6 tháng 2 2022
\(=\frac{3}{2}\left(\frac{1}{2}-\frac{1}{3}+\frac{1}{3}-\frac{1}{5}+......+\frac{1}{99}-\frac{1}{100}\right).\)
\(=\frac{3}{2}.\left(\frac{1}{1}-\frac{1}{100}\right)=\frac{3}{2}.\frac{99}{100}=\frac{297}{200}\)
cứu với mn oi
9 tháng 7 2023
Rewrite the sentences:
1. He allows me to go out at the weekend
→ He lets me go out at the weekend.
2. She is crazy about paiting ( like )
→ She likes painting a lot.
3. What about going to picnic next Sunday ?
→ Why don't we go for a picnic next Sunday ?
4. You shouldn't eat canned food.
→ You ought not to eat canned food.
5. Going in the rain is exciting
→ It's exhilarating to go in the rain.
6. It's interesting to go swimming in the summer
→ Going swimming in the summer is interesting.
DT
28 tháng 9 2021
1. were
2. hadn’t lost
3. were
4. had heard
5. had found
6. were
7. were
8. had waited
9. had written
10. were
11. had joined
12. knew
13. were
14. were
15. hadn’t forgot
16. knew
17. lived
18. were meeting
19. were
20. had made
DT
10 tháng 2 2022
1.She wants to as lose weight so as she is on a diet.
2.He got up early this morning so as he wouldn't be late for work.
nhiều thế bn
chia ra dc ko ạ
ktra?