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Ta có :
SABG= 2/3 SABD vì AG = 2/3 AD, chung chiều cao hạ từ B
SABD= 1/2 SABC vì BD = 1/2 BC, chung chiều cao hạ từ A
=> SABG= 2/3 x 1/2 = 1/3 SABC
SAGC= SABG vì chung đáy AG, chiều cao BD = DC=> SAGC = 1/3 SABC
SBGC = 1- 1/3-1/3 = 1/3 SABC
=> SABG=SACG=SBGC
Spring is a time for doing things. It seems everyone is full of energy. The days become warmer so everyone spends more time outside. Winter is finishing, so the countryside becomes greener.
I love watching the new flowers in my garden in spring. I watch the tulips grow and then I know winter is over. I wonder what it’s to live in countries that don’t have four seasons.
They miss out on what it’s to welcome spring and see everything come alive. Spring has to be the best season. It definitely makes you feel very positive about life.
It’s a good time to clean your house from top to bottom. We call this spring cleaning. Spring also means the weather gets warmer and you can do more things outside.
a) Số cây ở khu vực 2:
\(180 \times 2 = 360 (cây)\)
Số cây ở khu vực 3:
\(180 \div\frac{1}{3} = 540 (cây)\)
b) Số hs chăm sóc cây ở khu vực 1:
\(180 \div 5 = 36 (hs)\)
Số hs chăm sóc cây ở khu vực 2:
\(360\div: 5 = 72 (hs)\)
Số hs chăm sóc cây ở khu vực 3:
\(540 \div 5 = 108 (hs)\)
Đs:...
1. My
2. their
3. its
4. his
5. yours
6. theirs - Our
7. my
8. ours
9. yours
10. his
11. đề sai ko nhỉ? câu mẫu là new house mà từ đã cho là dream house :v??
Does your dream house have an attic?
12. The dog is between the sofa and the wardrobe
13. There are two bookshelves in Tom's bedroom
14. The big tree is in front of my house
15. The bike is between the motorbike and the car
Nè:
➡ Em bé của cô ấy sinh năm 1990 ở Anh?
Nhớ k cho Mik cái k nếu Mik đúng nha
1. that
2. that night
3. the day before.
4. my
5. that evening
6. the previous week
7. her
8. there
9. the following day
10. two hours
11. then
1.that
2.that night
3.the day before
4.my
5.that night
6.the previous week
7.her 8.there 9 the following day 10.two hours before 11.then