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Mua vip
PL
PHONG LÊ NGỌC
23 tháng 9 2023 - olm

Class 5A has 8 more students than class 5B. The number of students of class 5A and class 5B are in the ratio of 9 : 7. How many students are there in class 5B?
#Toán lớp 5
2
KV
Kiều Vũ Linh
23 tháng 9 2023

The number of students of class 5B is:

8 : (9 - 7) × 7 = 28 (students)

The number of students of class 5A is:

8 : (9 - 7) × 9 = 36 (students)

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PL
PHONG LÊ NGỌC
23 tháng 9 2023

mn ơi mik ko bt xem đáp án ở đâu, mn chỉ mik với

 

 

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V
VuTheGamer
19 tháng 4 2018 - olm

There were 5 students took part in Small Mathemetician Olympic Competition. They got the first,second and third prizes. Given who gained 20 points would get the first prizes, 19 points would get the second one and 18 points would get the third one. The sum of points five students had was 93 points. How many students got the first prize were there? Nhớ dịch nhé và giải nữa :D
#Toán lớp 5
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)
    KC
    không có tên
    27 tháng 4 2016 - olm

    There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is \(\frac{1}{3}\). How many girl students are there in the class? 
    #Toán lớp 5
    2
    KB
    Ko Bít Tên
    27 tháng 4 2016

    There are 12 girl students in the class.

    Đúng(0)
    DM
    dat math
    27 tháng 4 2016

    there are 12 girls in the class

    bai nay minh lam roi

    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)
    NT
    Ngô Thu Hương
    29 tháng 2 2016 - olm

    There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is 1: 3. How many girl students are there in the class? 
    Answer: There are......  girl students.
    #Toán lớp 5
    0
    D
    Dracula
    26 tháng 1 2016 - olm

    There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is 1: 3. How many girl students are there in the class? 
    #Toán lớp 5
    8
    TC
    trang chelsea
    26 tháng 1 2016

    kho....................wa..................troi.......................thi.....................ret.................lanh................wa..................tich............................ung.........................ho..............minh......................cho....................do....................lanh

    Đúng(0)
    BT
    Bùi Thị Như Bình
    26 tháng 1 2016

    viết bằng tiếng việt đi 

     

    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)
    R
    rew
    17 tháng 8 2016 - olm
    1; WEY DOES SHE GET UP SO EARLY?2; VIETNAMESE PEOPLE ARE VERY FRIENDS3; SHE LIKES GOING TO FISH IN THE FALL 4;HE WANTS TO BE AN ENGLIS TEACHER5;EHERE ARE THE BOOKS6; HOW MANY CLOUDS ARE THERE IN THE SKY7; SOME STUDENTS ARE READING FUNNY STORIES8; DO YOU READING A BOOK? YES I AM9; HIS SISTER IS A NURSE AT BACH MAI HOPITAL10;WHAT ARE THEY DOING NOW?11; NAM DOES ENGLISH EXERCISER NOW 12; DOES SHE DRAWING A PICTURE? YES SHE...
    Đọc tiếp

    1; WEY DOES SHE GET UP SO EARLY?

    2; VIETNAMESE PEOPLE ARE VERY FRIENDS

    3; SHE LIKES GOING TO FISH IN THE FALL 

    4;HE WANTS TO BE AN ENGLIS TEACHER

    5;EHERE ARE THE BOOKS

    6; HOW MANY CLOUDS ARE THERE IN THE SKY

    7; SOME STUDENTS ARE READING FUNNY STORIES

    8; DO YOU READING A BOOK? YES I AM

    9; HIS SISTER IS A NURSE AT BACH MAI HOPITAL

    10;WHAT ARE THEY DOING NOW?

    11; NAM DOES ENGLISH EXERCISER NOW 

    12; DOES SHE DRAWING A PICTURE? YES SHE IS

     

     
    #Toán lớp 5
    2
    DN
    Đoàn Nguyễn Thiên Phúc
    14 tháng 3 2022

    THIS IS NOT MATHS ARE YOU CRAZY. YOU SO CRAZY AND UGLY

    Đúng(0)
    U
    UwU
    10 tháng 12 2022

    ý bạn là chữa lỗi sai à?

    Đúng(0)
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    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
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