Bài 6: Sắp xếp các từ sau theo thứ tự đúng để tạo thành câu hoàn chỉnh
1. always/ at nine o’clock/ out of the garage/ in the morning/ drives/ his car/ he.
2. a parking place/ near the shops/ they/ find/ rarely.
3. fly/ with my parents/ to Florida/ sometimes/ I/ in spring.
4. late/ comes/ she/ often/ to school/ in winter.
 

Câu 1:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?

Câu 2:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?

Câu 3:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?

Câu 4:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?

Câu 5:
What is the value of the following expression: ?

Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
(write your answer in order from least to greatest and use ";" between the numbers)

Câu 7:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Câu 8:
Use the table of values to help you find the value of 9 feet in inches.

Câu 9:
If  and , what is the value of ? 

Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
 

Tìm UCLN và BCNN của

a)     48 và 120

b)    168 và 180

c)     24, 30 và 80

d)    300, 160 và 56

Câu 1:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.

Answer: 
 

Câu 2:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer:  dollar.

Câu 3:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Answer: 

Câu 4:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer: 

Câu 5:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
Answer: The two numbers are .
(write your answer in order from least to greatest and use ";" between the numbers)

Câu 6:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with  cans on the first level,  on the second level and continue the pattern all the way up to just one can on top?
Answer:  cans.

Câu 7:
Use the table of values to help you find the value of 9 feet in inches.

Answer: 

Câu 8:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer:  pennies.

Câu 9:
If n2 =n.n and n3=n .n.n , what is the value of 34 ?
Answer: 

Câu 10:
Calculate:1/10 +2/10+3/10+4/10+5/10+6/10+7/10+8/10+9/10+55/10

Các bạn giải nhanh dùm mình nha ^_^ mình đang cần gấp :*
.

_{^{Cho A = {0} , có thể nói rằng A là tập hợp rỗng hay k?}}

_{^{Tập hợp rỗng là tập hợp.......................................,còn A là tập hợp có 1 phần tử , đó là phần từ 0}}

_{^{Vậy.......................nói rằng A = tập hợp rỗng}}

1) Những câu nào sau đây tôi nói sai ?:

a) 0 : 0 là vô nghĩa => 0 : 1 là vô nghĩa

b) Pi = 3,141 596 578 ...

c) ab + ba chia hêt cho 11

d) aaa aaa chia hết cho 7

2) Tính nhanh

a) 1 + 3 - 5 + 7 - 9 + ... - a với a là số lớn nhất có 3 chữ số

b) 999 - 99 + 9 . 888 - 88 + 8 . 777 - 77 + 7 . .... . 000 - 00 + 0 . (-111) -  (-11) + (-1) . (-222) -  (-22) + (-2) . .... . (-999) -  (-99) + (-9) = ?

c) 1² + 2² + 3² + ... + 100 000² = ?

d) 1 + 12 + 123 + 1234 + 12 345 + .... + 123 456 789 + 1 234 567 890 = ?