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25 tháng 6 2021

1. You should take him to the doctor.

2. You should go to the dentist.

3. She has an earache.

4. We should brush our teeth twice a day.

5. Lan has a headache and she shouldn't watch TV.

Khung gì sút trái bóng vào 

=> khung thành 

cho mình đúng đi

25 tháng 6 2021

Mik ko chắc lắm nhưng chắc là... khung thành

Hok Tốt!

25 tháng 6 2021

Mọi người giúp em với ạ!

25 tháng 6 2021

tổng của số 1 và số 4 là 1203

nên tổng của số 2 và 3 cx thế.

tổng của 4 số là 2406.

liên tiếp nên khoảng cánh là 1.

khoảng cánh giữa số thứ 1 và 4 là 4-1=3.

hiệu giữa số 1 và 4 là 3,tổng là 1203

số 1 là (1203-3):2=600.

4 số đó là 600,601,602,603.

Học tốt

25 tháng 6 2021

Giải :

Để đánh số trang tư 1 - 9 cần : ( có 9 trang )

( 9 - 1 + 1 ) x 1 = 9 ( chữ số )

Để dánh số trang từ 10 - 99 cần : ( có 90 trang )

( 99 - 10  + 1 ) x 2 = 180 (chữ số )

Số chữ số còn lại là :

648 - 180 - 9 = 459

Số chữ số còn lại đánh được số trang là :

459 : 3 = 153 ( trang )

Vậy quyển sách còn lại số trang là :

9 + 90 + 153 = 252 ( trang )

Đ / S : ...

# Linh

25 tháng 6 2021

ta có:

- từ 1 đến 9 có : (9-1):1+1=9 (số)

- từ 10 đến 99 có : (99-10):1+1=90 (số)

từ 1 đến 99 có số chữ số là: 1.9+2.90=189 (chữ số)

số các c/s để viết các số có 3 c/s là: 648-189=459 (chữ số)

có số số có 3 c/s là: 459:3=153 (số)

cuốn sách đó có số trang là: 9+90+153=252 (trang)

Vậy cuốn sách đó có 252 trang

chúc b học tốt :3

DD
26 tháng 6 2021

\(50\%\)số tiền mừng tuổi của Ly hay \(40\%\)số tiền mừng tuổi của Linh là: 

\(2\times50\div100=1\)(triệu đồng) 

Số tiền mừng tuổi của Linh là: 

\(1\div40\times100=2,5\)(triệu đồng) 

Tổng số tiền mừng tuổi của hai bạn là: 

\(1+2,5=3,5\)(triệu đồng)

help me please The small girlSarah Small was the smallest girl in second grade. She could not reach the water fountain. She felt very sad. “Wait and see,” said Mother. “It’s good to be small.”One day, Sarah and her friends were playing soccer. Sarah was good at soccer. She was so small that she could run through tall people’s legs. She had just kicked the ball when she saw something green and white.There was a five-dollar bill on the other side of the fence, beside a small hole....
Đọc tiếp

help me please 

The small girl

Sarah Small was the smallest girl in second grade. She could not reach the water fountain. She felt very sad. “Wait and see,” said Mother. “It’s good to be small.”

One day, Sarah and her friends were playing soccer. Sarah was good at soccer. She was so small that she could run through tall people’s legs. She had just kicked the ball when she saw something green and white.

There was a five-dollar bill on the other side of the fence, beside a small hole. Sarah’s friends were too big to fit through the hole to reach it. But Sarah got down on her hands and knees and slipped through. She picked up the bill from off the ground. Then she told her friends she would buy them all ice cream. “Sometimes, it’s good to be small!” she said.

(Source: Adapted from Daily Warm-ups Reading 1)

17. Why is Sarah sad?

A. because she finds five dollars

B. because she buys ice cream

C. because she plays soccer

D. because she is small

18. Why is Sarah good at soccer?

A. because she can run through legs

B. because she finds five dollars

C. because she is tough

D. because she can crawl through holes

19. What does Sarah find on the ground?

A. a soccer ball

B. a five-dollar bill

C. ice cream

D. a worm

20. What does Sarah do with the money?

A. She shares it.

B. She hides it.

C. She leaves it there.

D. She buys ice cream for herself.

8
25 tháng 6 2021

1 - B;

2 - D;

3 - C;

4 - C;

5 - C;

6 - A;

7 - A;

8 - B;

9 - D;

10 - B;

11 - A;

12 - B;

13 - D;

14 - C;

15 - C;

16 - D;

17 - D;

18 - A;

19 - B;

20 - D;

The small girlSarah Small was the smallest girl in second grade. She could not reach the water fountain. She felt very sad. “Wait and see,” said Mother. “It’s good to be small.”One day, Sarah and her friends were playing soccer. Sarah was good at soccer. She was so small that she could run through tall people’s legs. She had just kicked the ball when she saw something green and white.There was a five-dollar bill on the other side of the fence, beside a small hole. Sarah’s friends...
Đọc tiếp

The small girl

Sarah Small was the smallest girl in second grade. She could not reach the water fountain. She felt very sad. “Wait and see,” said Mother. “It’s good to be small.”

One day, Sarah and her friends were playing soccer. Sarah was good at soccer. She was so small that she could run through tall people’s legs. She had just kicked the ball when she saw something green and white.

There was a five-dollar bill on the other side of the fence, beside a small hole. Sarah’s friends were too big to fit through the hole to reach it. But Sarah got down on her hands and knees and slipped through. She picked up the bill from off the ground. Then she told her friends she would buy them all ice cream. “Sometimes, it’s good to be small!” she said.

(Source: Adapted from Daily Warm-ups Reading 1)

17. Why is Sarah sad?

A. because she finds five dollars

B. because she buys ice cream

C. because she plays soccer

D. because she is small

18. Why is Sarah good at soccer?

A. because she can run through legs

B. because she finds five dollars

C. because she is tough

D. because she can crawl through holes

19. What does Sarah find on the ground?

A. a soccer ball

B. a five-dollar bill

C. ice cream

D. a worm

20. What does Sarah do with the money?

A. She shares it.

B. She hides it.

C. She leaves it there.

D. She buys ice cream for herself.

làm đi tui tích uy tín lắm

4
25 tháng 6 2021

Trả lời:

Nhớ k như đã hứa, hihihi

17 - D;

18 - A;

19 - B;

20 - D;

25 tháng 6 2021

The small girl

Sarah Small was the smallest girl in second grade. She could not reach the water fountain. She felt very sad. “Wait and see,” said Mother. “It’s good to be small.”

One day, Sarah and her friends were playing soccer. Sarah was good at soccer. She was so small that she could run through tall people’s legs. She had just kicked the ball when she saw something green and white.

There was a five-dollar bill on the other side of the fence, beside a small hole. Sarah’s friends were too big to fit through the hole to reach it. But Sarah got down on her hands and knees and slipped through. She picked up the bill from off the ground. Then she told her friends she would buy them all ice cream. “Sometimes, it’s good to be small!” she said.

(Source: Adapted from Daily Warm-ups Reading 1)

17. Why is Sarah sad?

A. because she finds five dollars

B. because she buys ice cream

C. because she plays soccer

D. because she is small

18. Why is Sarah good at soccer?

A. because she can run through legs

B. because she finds five dollars

C. because she is tough

D. because she can crawl through holes

19. What does Sarah find on the ground?

A. a soccer ball

B. a five-dollar bill

C. ice cream

D. a worm

20. What does Sarah do with the money?

A. She shares it.

B. She hides it.

C. She leaves it there.

D. She buys ice cream for herself.

25 tháng 6 2021

a)9 m

b) Đáy bé: 3,6 m

Đáy bé: 5,4 m

25 tháng 6 2021

a) Tổng độ dài 2 đáy của thửa ruộng là :

22,5 x 2 : 5 = 9 ( m )

b) Tổng số phần bằng nhau là :

3 + 2 = 5 ( phần )

Đáy lớn của thửa ruộng là :

9 : 5 x 3 = 5,4 ( m )

Đáy bé của thửa ruộng là :

9 - 5,4 = 3,6 ( m )

 Đ/S : a) 9m

           b) Đáy lớn : 5,4m ; Đáy bé : 3,6m

#Học tốt !

DD
27 tháng 6 2021

\(S_{AQM}=\frac{1}{2}\times AQ\times AM=\frac{1}{2}\times\frac{3}{4}\times AB\times\frac{1}{2}\times AD=\frac{3}{16}\times AB\times AD=\frac{3}{16}\times S_{ABCD}\)

\(S_{BMN}=\frac{1}{2}\times BM\times BN=\frac{1}{2}\times\frac{1}{4}\times BA\times\frac{1}{4}\times BC=\frac{1}{16}\times BA\times BC=\frac{1}{16}\times S_{ABCD}\)

\(S_{CPN}=\frac{1}{2}\times CP\times CN=\frac{1}{2}\times\frac{1}{3}\times CD\times\frac{3}{4}\times CB=\frac{1}{8}\times CD\times CB=\frac{1}{8}\times S_{ABCD}\)

\(S_{DPQ}=\frac{1}{2}\times DP\times DQ=\frac{1}{2}\times\frac{2}{3}\times DC\times\frac{1}{2}\times DA=\frac{1}{6}\times DA\times DC=\frac{1}{6}\times S_{ABCD}\)

\(S_{AMQ}+S_{BNM}+S_{CPN}+S_{DPQ}+S_{MNPQ}=S_{ABCD}\)

\(\Leftrightarrow S_{MNPQ}=S_{ABCD}-S_{AMQ}-S_{BNM}-S_{CPN}-S_{DPQ}\)

\(=\left(1-\frac{3}{16}-\frac{1}{16}-\frac{1}{8}-\frac{1}{6}\right)\times S_{ABCD}\)

\(=\frac{11}{24}\times S_{ABCD}\)

\(=440\left(cm^2\right)\)