Tham gia Khóa học hè 2024 trên OLM ngay tại đây!

Hướng dẫn giải chi tiết tất cả các môn kỳ thi tốt nghiệp THPT 2024, xem ngay!

Ứng dụng OLM Phụ huynh cập nhật: Xem được chi tiết bài làm của con!

Đừng bỏ lỡ lịch livestream khóa học hè tuần 7 dành cho học sinh lớp 4 lên lớp 5!

K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

Mua vip
DH
Đỗ Hồng Anh
1 tháng 3 2017 - olm
Câu hỏi hay
Exam number 1: Đi tìm kho báuQuestion 1:There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?a. 10b. 12c. 18d. 20Question 2:What is the product of 3.05 and 2.8?a. 8.54b. 8.056c. 8.56d. 8.054Question 3:A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?a. $18b. $20c. $50d. $13Question 4:If a pen costs $1.75 and an eraser costs $0.85, which of the following is the...
Đọc tiếp

Exam number 1: Đi tìm kho báu

Question 1:
There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?

  • a. 10
  • b. 12
  • c. 18
  • d. 20

Question 2:

What is the product of 3.05 and 2.8?

  • a. 8.54
  • b. 8.056
  • c. 8.56
  • d. 8.054

Question 3:

A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

  • a. $18
  • b. $20
  • c. $50
  • d. $13

Question 4:

If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?

  • a. $21.75
  • b. $26
  • c. $18.75
  • d. $17.25

Question 5:

If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.

 

  • a. 48
  • b. 50
  • c. 45
  • d. 54
#Toán lớp 5
100
DT
Đội tuyển Toán và cô giáo Lệ lớp 5b
6 tháng 3 2017

1a;2a;3a;4d;5b

Đúng(0)
TT
Trương Thị Hoa Hường
2 tháng 3 2017

Question 1) a

Đúng(0)
D
Doof
21 tháng 7 2015 - olm

Find the value of the multiplication below:

A=33333...3333x999999...9999

    {50 numbers}   {50 numbers}
#Toán lớp 5
1
LD
Lê Duy Khang
21 tháng 7 2015

( Giải bằng Tiếng Việt nhé )

Ta có : 

33333....333333 . 99999....999999 = 33333....333333 . ( 100000....000000 - 1 )

{ 50 chữ số 3 }     { 50 chữ số 9 }        { 50 chữ số 3 }         { 50 chữ số 0 }

3333....33333 . 10000.....00000 - 3333333.....33333 . 1 = 33333333......3333330000000.....00000000 - 3333333......333333 =

{ 50 chữ số 3 }   { 50 chữ số 0 }    { 50 chữ số 3 }               { 50 chữ số 3 }            { 50 chữ số 0 }                { 50 chữ số 3 }

33333333...33326666666..6666667.

{ 49 chữ số 3 }    { 49 chữ số 6 }

Đúng(0)
K
Khanh
12 tháng 10 2016 - olm

 Andrew, Bryan and Charlie each draws two card from a stack of cards number 1 to 8. • One of Bryan's cards has a number twice of the other. • The sum of the numbers on Charlie's cards is 9. • The sum of the numbers on Andrew's cards is 7 but the difference is not 3. Which two cards are not drawn? 
#Toán lớp 5
2
S
sakura
7 tháng 4 2017

ủng hộ mk nha mọi người

Đúng(0)
DQ
Đỗ quang Hưng
7 tháng 4 2017

k mình nha mình đang âm

Đúng(0)
DK
Dragoon Knight
2 tháng 4 2015 - olm
Question 1:Compare:  Question 2:Compare: A =  and B = Answer: A  BFill in the blank with the suitable number Question 3:Calculate: The value of A is  Question 4:Calculate: The value of A is  Question 5:Find two consecutive even numbers if the first number is  of the second number.Answer: The second number is  Question 6:There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class. Question 7:How many natural numbers not greater...
Đọc tiếp

Question 1:
Compare: 

 

Question 2:
Compare: A =  and B = 
Answer: A  B

Fill in the blank with the suitable number

 

Question 3:
Calculate: 
The value of A is 

 

Question 4:
Calculate: 
The value of A is 

 

Question 5:
Find two consecutive even numbers if the first number is  of the second number.
Answer: The second number is 

 

Question 6:
There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.

 

Question 7:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer:  numbers

 

Question 8:
Calculate: 
The value of A is 

 

Question 9:
How many 3 - digit numbers are divisible by 2, 3 and 5?
Answer:  numbers.

 

Question 10:
If  then  is 

 
#Toán lớp 5
2
TN
Trịnh Nguyễn Tuấn Anh
9 tháng 4 2015

I'm sorry to say that I don't see any mathematical expressions. And you should translate your questions into Vietnamese so all people can answer them.

Đúng(0)
NH
Nguyễn Hà Linh
6 tháng 8 2016

I am very sorry but I cannot see any numbers to answer your questions

Đúng(0)
DK
Dragoon Knight
2 tháng 4 2015 - olm
Fill in the blank with the suitable numberQuestion 1:There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.Question 2:Calculate: The value of A is Question 3:Calculate: The value of A is Question 4:Jessica is 8 years old. Her grandmother is  of her age. How old is Jessica's grandmother?Answer:  years old.Question 5:If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator...
Đọc tiếp

Fill in the blank with the suitable number

Question 1:
There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.

Question 2:
Calculate: 
The value of A is 

Question 3:
Calculate: 
The value of A is 

Question 4:
Jessica is 8 years old. Her grandmother is  of her age. How old is Jessica's grandmother?
Answer:  years old.

Question 5:
If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator then the numerator is 

Question 6:
Find two consecutive even numbers if the first number is  of the second number.
Answer: The second number is 

Question 7:
Calculate: 
The value of A is 

Question 8:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer:  numbers

Question 9:
If  then  is 

Question 10:
The sum of three consecutive even numbers is 960. The greatest numbers is 
    #Toán lớp 5
    1
    DM
    Đỗ Minh Tú
    2 tháng 4 2015

    sir, this is the place to learn math, not english offline. If you want to learn English is very wed page: ioe.vn

    Đúng(0)
    NX
    Nguyễn Xuân Bách
    13 tháng 4 2022 - olm
    Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...
    Đọc tiếp

    Combinatorics
    21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
    Different way: Cách khác nhau.
    22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
    At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.
    23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
    Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.
    24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
    Step: Bước; Way: Cách.
    25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
    Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
    ~ End of Paper ~
      
    #Toán lớp 5
    6
    PT
    Phan Thuý Bình
    13 tháng 4 2022

    là seo pạn?mik hem hỉu??????????????????????

    Đúng(0)
    PT
    Phan Thuý Bình
    13 tháng 4 2022

    Đọc cái bài mà mún trầm kẻm!

    Đúng(0)
    NX
    Nguyễn Xuân Bách
    13 tháng 4 2022 - olm
    Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...
    Đọc tiếp

    Combinatorics
    21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
    Different way: Cách khác nhau.

    22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
    At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.

    23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
    Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.

    24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
    Step: Bước; Way: Cách.

    25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
    Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
    ~ End of Paper ~
    #Toán lớp 5
    1
    TH
    Tran Hai Yen
    13 tháng 4 2022

    chịu thoi khs quá

    Đúng(0)
    NL
    Nguyễn Lê Huy
    16 tháng 7 2015 - olm

    How many natural numbers not greater than 1665 which are divisible by 5?
    Answer:  numbers

    The sum of age of father and son is 60 years old and son is 30 years younger than father. Father is  years old.
    #Toán lớp 5
    1
    DV
    Đào Văn Thái
    16 tháng 7 2015

    bài dưới:

     Tuổi cha là:

            (60+30):2=45(tuổi)

                   Đáp số:45 tuổi

     tiếng anh là:

    Father's age:

             (60 + 30): 2 = 45 (years old)

                    Answer: 45 years old

     

    Đúng(0)
    NV
    Nguyễn Vũ Hà An
    15 tháng 4 2017 - olm
    Fill in the blank with the correct numberQuestion 1:Complete the number pattern:  0,3,8,15,24,,48.Question 2:Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively. Answer: The area of the shaded region is  .(write your answer by decimal in simplest form)Question 3:If , compute =.Question 4:The side of each square grid is 2cm. Find the area of the shaded region.Answer: The area of the shaded region is  .Question 5:If , find the value of m in .Answer:...
    Đọc tiếp

    Fill in the blank with the correct number

    Question 1:
    Complete the number pattern: 
     0,3,8,15,24,,48.

    Question 2:
    Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively. 

    Answer: The area of the shaded region is  .
    (write your answer by decimal in simplest form)

    Question 3:
    If , compute =.

    Question 4:

    The side of each square grid is 2cm. Find the area of the shaded region.
    Answer: The area of the shaded region is  .

    Question 5:
    If , find the value of m in .
    Answer: m=.

    Question 6:
    How many whole numbers between 1 and 100 are not divisible by 3 or 11?
    Answer:  numbers.

    Question 7:
    Evaluate:
    =.
    (round to four decimal places)

    Question 8:
    Evaluate:
    =.
    (write your answer by decimal in simplest form)

    Question 9:
    Find the whole number A knowing that A is 9 units greater than the average of A, 38, 45 and 67.
    Answer: A=.

    Question 10:
    Find the whole number C knowing that C is 14 units smaller than the average of C, 68, 72, 99.
    Answer: C=.
    #Toán lớp 5
    3
    NV
    Nguyễn Vũ Hà An
    15 tháng 4 2017

    Câu 3, 4, 5, 7, 8 các câu bỏ qua nhé

    Đúng(0)
    NV
    Nguyễn Vũ Hà An
    15 tháng 4 2017

    Câu 3, 4, 5, 7, 8 các cậu bỏ qua nhé

    Đúng(0)
    Bảng xếp hạng
    Tất cả Toán Vật lý Hóa học Sinh học Ngữ văn Tiếng anh Lịch sử Địa lý Tin học Công nghệ Giáo dục công dân Âm nhạc Mỹ thuật Tiếng anh thí điểm Lịch sử và Địa lý Thể dục Khoa học Tự nhiên và xã hội Đạo đức Thủ công Quốc phòng an ninh Tiếng việt Khoa học tự nhiên
    • Tuần
    • Tháng
    • Năm
    Các khóa học có thể bạn quan tâm
    Tổng thanh toán: 0đ (Tiết kiệm: 0đ)
    Tới giỏ hàng
    Yêu cầu VIP