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3 tháng 7 2018

Mình không hiểu ý bạn!

3 tháng 7 2018

Nếu đúng cho xin 1 like.

12 tháng 3 2016

Đâu là Online Math ko phải Online English đâu nha!

16 tháng 7 2016

The relevant questions are :

3 . How much pocket monney do you get ?

4 . What is you favourite subject at school ?

7 . How do you get to school every day ?

1 . Are you from around here ?

                                                                                      Good luck     

16 tháng 7 2016

đây là toán ko phải tiêng anh

22 tháng 7 2016

1) How many teachers does your school have ?

2 ) Our classroom is on the first floor.

3 ) Lien brushes her teeth and gets dressed.

22 tháng 7 2016

k bt bạn ơi

Nhìn thấy dỡ mà

29 tháng 12 2015

teaching

fat

practices

in

the

on

...

31 tháng 12 2015

1.0            2.strong           3.does           4.in              5.his           6.by            7.leaves                 8.has        9.On             10.breakfast

1 . The book is blue 

It is a blue book .

2 My room is bigger than your room . 

Your room is smaller than my room . 

3 Let's visit the Great wall of China 

What about visiting the Great wall of China . 

4 . Mai walks to work every day

Mai goes to work on foot every day .'

k mình nhé !!!!!

30 tháng 8 2017

1. It is a blue book.

2.Your room is smaller than my room.

3. What about visiting The Great Wall of China.

4. Mai goes to work on foot every day.

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...
Đọc tiếp

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, ...?
 

 

5
5 tháng 11 2016

it's math for vietnamese ok 

5 tháng 11 2016

chịu tk nhé @@@@@@@@@@@@

âu 1:If Juan spent  of his money on a game that costs 20 dollar, how much did Juan have originally to spend?Use the diagram below to reason the answer.Answer:  dollar.Câu 2:Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:If your code is sum of the letter values, what is the value of "MATH" ?Answer: Câu 3:It takes Abby...
Đọc tiếp

âu 1:
If Juan spent  of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.

Answer:  dollar.

Câu 2:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:

If your code is sum of the letter values, what is the value of "MATH" ?
Answer: 

Câu 3:
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?
Answer:  minutes.

Câu 4:
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 5:
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?

Answer:  beans.

Câu 6:
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 7:
What is the value of the following expression: ?
Answer: 

Câu 8:
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 9:
What is the next number in the pattern: 1, 8, 27, ...?
Answer: 

Câu 10:
If your parents give you one penny on Day 1, 2 pennies on Day 2, 4 pennies on Day 3, 8 pennies on Day 4. If the pattern continues, how many pennies will your parents give you on Day 15?
Answer:  pennies.

4
12 tháng 12 2016

Câu 1 : ... (Bạn ko cho cái diagram thì làm sao mình giải được)

Câu 2 : Answer : 13,1,20,8

Câu 3 : Answer : 20 minutes

Câu 4 : Answer : 960 dollars

Câu 5 : ... (Bạn ko cho mình thấy cái table)

Câu 6 : Answer : 67 dollars

Câu 7 : ... (bạn ko cho xem "the following expression")

Câu 8 : Answer : 6 cans

Câu 9 : Answer : 105

Câu 10 : Answer : 18432 pennies = 184.32 dollars

ê câu hỏi gì mình ko hiểu

24 tháng 8 2015

ta có:C=1+3+32+33+...+311

=(1+3+32)+(33+...+311)

=1.(1+3+32)+...+39.(1+3+32)

=1.13+...+39.13

=(1+...+39).13 chia hết cho 13

b.C=1+3+32+33+...+311

=(1+3+32+33)+(...+311)

=1.(1+3+32+33)+(...+311)

=1.(1+3+32+33)+...+38.(1+3+32+33)

=1.40+...+38.40

=(1+...+38).40 chia hết cho 40

26 tháng 8 2015

cảm ơn bạn "ANGLE LOVE" nhiều nhé!

thanks! hi ....hi ...!

12 tháng 1 2023

Bài 4:
Diện tích 2 khu hình vuông:
\(3\times3\times2=18\left(m^2\right)\)
Diện tích 2 khu hình chữ nhật:
\(5\times3\times2=30\left(m^2\right)\)
Diện tích khu vườn:
\(9\times7=63\left(m^2\right)\)
a)Diện tích phần lối đi:
\(63-18-30=15\left(m^2\right)\)
b)Diện tích 1 viên gạch:
\(50\times50=2500\left(cm^2\right)=0,25\left(m^2\right)\)
Số gạch cần dùng:
\(15:0,25=60\left(viengach\right)\)
Bài 5
Ta có:
\(3^1+3^2+3^3+3^4+3^5+...+3^{2012}\)
\(=\left(3^1+3^2+3^3+3^4\right)+\left(3^5+3^6+3^7+3^8\right)+...+\left(3^{2009}+3^{2010}+3^{2011}+3^{2012}\right)\)
\(=120+\left(3^1+3^2+3^3+3^4\right)\left(3^4+3^4+3^4+3^4\right)+...+\left(3^1+3^2+3^3+3^4\right)\left(3^{2009}+3^{2009}+3^{2009}+3^{2009}\right)\)
\(=120+120....⋮120\)
Bạn làm nốt nha

12 tháng 1 2023

thế mình sai chỗ nào mà đấy đâu phải làm tát