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Tham gia ngay Cuộc thi "Đi tìm Đại sứ OLM" giải thưởng tới 10 triệu đồng

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Mua vip
PT
pham thi yen ngoc
16 tháng 3 2015 - olm
Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5)
 
Question 1:
How much are the iPhone; the printer andthe couch together?
12.png
Answer:  dollar
 
 
Question 2:
?$2,25%20dam^{2}%20\times%207=$?$m^{2}$
 
Question 3:
Find x such that ?$2,89%20%3C%20x%20%3C%2011,01$ and ?$x$ are even natural numbers.
(Write numbers in the order from smallest to greatest and use ";").
Answer: 
 
Question 4:
If ?$a=3,5$ and ?$b=4,445$ then ?$b%E2%88%B6a$=
 
Question 5:
Alex painted a fence.He completed ?$\frac{3}{5}$ of the work on Monday.On Tuesday,he was tired and completed only ?$\frac{1}{4}$ of the fence.The last day,on Wednesday,he painted ?$\frac{A}{20}$ of the fence.The value of ?$A$ is 
b.png
 
Question 6:
The value of ?$x$ such that ?$(x+2,35)-4,67=14,68$ is 
 
Question 7:
?$2m^{2}$ ?$3dm^{2}$ ?$+$ ?$1m^{2}$ ?$35cm^{2}=$ ?$cm^{2}$
 
Question 8:
The perimeter of the star equals the perimeter of the regular hexagon.Each side of the hexagon is ?$16%20cm$ long.Each side of the star is ?$cm$ long.
d.png
 
Question 9:
The sum of two even numbers is ?$3216$ andthere are ?$406$ odd numbers between them.The greater number is 
 
Question 10:
If ?$\frac{2}{3}+%20\frac{2}{15}+%20\frac{2}{35}+...+\frac{2}{n}=%20\frac{60}{61}$ then ?$n=$ 
#Toán lớp 5
5
BD
Bùi Đình Thái
5 tháng 4 2015

1.1714        2.1575        3.4;6;8;10         4.1,27          5.3      6.17             7.30335             8.9,6          9.2064        10.61

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CC
Công chúa Nấm
12 tháng 4 2015

Từ câu 1 đến câu 8 bạn Bùi Đình Thái trả lời đúng rồi. Còn câu 9 và câu 10 sai nhé. Đáp án đúng là:

Câu 9: 2014

Câu 10: 3599

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PA
Phạm Anh Thư
18 tháng 3 2015 - olm
Exam number 310:18Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5) Question 1:If  and  then = Question 2:  Question 3:A roller skate costs  dollar.Mary receives a  discount.How much does she have to pay? Answer:dollar Question 4:Find x such that  and  are even natural numbers.(Write numbers in the order from smallest to greatest and use ";").Answer:  Question...
Đọc tiếp
Exam number 310:18
Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5)
 
Question 1:
If ?$a=3,5$ and ?$b=4,445$ then ?$b%E2%88%B6a$=
 
Question 2:
?$123004,64:10000=$ 
 
Question 3:
1234.png

A roller skate costs ?$50$ dollar.Mary receives a ?$10%$ discount.How much does she have to pay? 
Answer:dollar
 
Question 4:
Find x such that ?$2,89%20%3C%20x%20%3C%2011,01$ and ?$x$ are even natural numbers.
(Write numbers in the order from smallest to greatest and use ";").
Answer: 
 
Question 5:
Find ?$x$ if ?$x%20\times%201,4=5%20\times%203,5$?
Answer: ?$x=$ 
 
Question 6:
The shaded part is  ?$%$ of this figure
a.png
 
Question 7:
?$7,32%20m+6,1%20dm=$  ?$cm$
 
Question 8:
Alex painted a fence.He completed ?$\frac{3}{5}$ of the work on Monday.On Tuesday,he was tired and completed only ?$\frac{1}{4}$ of the fence.The last day,on Wednesday,he painted ?$\frac{A}{20}$ of the fence.The value of ?$A$ is 
b.png
 
Question 9:
The area of this figure is  ?$cm^{2}$
f.png
 
Question 10:
The value of ?$2,73+4,23+5,73+7,23+8,73+10,23+11,73+13,23+14,73+16,23+17,73$ is 
#Toán lớp 5
5
NT
Nguyễn Thảo Quỳnh
18 tháng 3 2015

Question 1: 1,27

Question 2: 12,300464 (bạn có thể làm tròn phân số lại nhé)

Question 3: 45 dollar

Question 4: x = {3;4;5;6;7;8;9;10;11}

Question 5: x = 12,5

Question 6: 5%

Question 7: 793 cm

Question 8: The value of A is 17

Question 9: 484 cm2

Question 10: 112,53

Vì số bài hơi nhiều nên mình chỉ ghi kết quả thôi nhé ! Mình đã làm bài này cho Thư đấy ! Nên nếu đúng Thư cho mình 1 like nha. ^^

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AT
A Toi Mua
18 tháng 3 2015

Question 1: 1,27

Question 2: 12,300464 (bạn có thể làm tròn phân số lại nhé)

Question 3: 45 dollar

Question 4: x = {3;4;5;6;7;8;9;10;11}

Question 5: x = 12,5

Question 6: 5%

Question 7: 793 cm

Question 8: The value of A is 17

Question 9: 484 cm2

Question 10: 112,53

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AT
A Toi Mua
18 tháng 3 2015 - olm
Question 1:The length of a rectangle is  and its width is .The perimeter of this rectangle is  .  Question 2:If  and  then  Question 3:Calculate:  Question 4:. The missing number is  Question 5:If ;  and  then  Question 6:Jane had  dollars. She bought  of mangoes at  dollars per kg.How much money did she have left? Answer:  dollars. Question 7:Fill in the blank with the suitable decimal number: Question 8:The missing number is  Question...
Đọc tiếp
Question 1:
The length of a rectangle is ?$2,36%20m$ and its width is ?$1,27%20m$.
The perimeter of this rectangle is  ?$m$. 
 
Question 2:
If ?$x:y=3,4$ and ?$y%20\times%204=9,2$ then ?$x=$
 
Question 3:
Calculate: ?$3,7%20\times%209,2-12,5:2=$
 
Question 4:
?$23,75+...=58,123$. The missing number is 
 
Question 5:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$x=$
 
Question 6:
Jane had ?$40$ dollars. She bought ?$5kg$ of mangoes at ?$4,55$ dollars per kg.
How much money did she have left? Answer:  dollars.
 
Question 7:
Fill in the blank with the suitable decimal number:
?$12,5%20\times%205+4%20\times$?$=73,3$
 
Question 8:
?$23,4%20\times%203-...%20\times%2010=15,6$
The missing number is 
 
Question 9:
If ?$1,001%20\times%20\overline%20{abc}=a5c,2b9$ then ?$b$?$=$
 
Question 10:
If ?$1,001%20\times%20\overline%20{abc}=a5c,2b9$ then ?$c$?$=$
#Toán lớp 5
2
TK
Trần Khánh Hà
18 tháng 3 2015

Nè bạn soa ko dịch ra tiếng việt để chúng mình giải cho cứ để tiếng anh ko ai hiểu nổi đâu

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AT
A Toi Mua
18 tháng 3 2015

chung to cau het ngheo rui. cau nho mik bao cau ngheo ko?

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PT
pham thi yen ngoc
18 tháng 3 2015 - olm
Fill in the blank with the suitable sign (>; =;<) Question 1:Compare: A =  and B = Answer: A  BFill in the blank with the suitable number Question 2:Calculate: The value of A is  Question 3:Calculate: The value of A is  Question 4:There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class. Question 5:Calculate:    Question 6:The sum of age of father and son is 60 years old and son is 30 years younger than father....
Đọc tiếp
Fill in the blank with the suitable sign (>; =;<)
 
Question 1:
Compare: A = ?$\frac{1+3+5+...+119}{60}$ and B = ?$\frac{2+4+6+...+118}{59}$
Answer: A  B
Fill in the blank with the suitable number
 
Question 2:
Calculate: ?$2\frac{1}{15}%20+%20\frac{1}{3}%20\times%203\frac{1}{5}%20=%20\frac{A}{15}$
The value of A is 
 
Question 3:
Calculate: ?$2\frac{7}{9}%20-%202\frac{6}{11}%20=%20\frac{23}{A}$
The value of A is 
 
Question 4:
There are 49 students in a class. Boy students are ?$\frac{3}{4}$ the number of girl students. There are  girl students in this class.
 
Question 5:
Calculate: ?$(\frac{1}{2}+1)%20\times%20(\frac{1}{3}+1)%20\times%20(\frac{1}{4}+1)%20\times%20...\times%20(\frac{1}{9}+1)%20=$ 
 
 
Question 6:
The sum of age of father and son is 60 years old and son is 30 years younger than father. Father is  years old.
 
Question 7:
The perimeter of a rectangle is ?$120%20cm$. The length is ?$8%20cm$ more than the width. The area of this rectangle is  ?${cm}^{2}$
 
Question 8:
Calculate: ?$1\frac{3}{4}+2\frac{1}{5}=\frac{A}{20}$
The value of A is 
 
Question 9:
Find the last digit of this product: 
?$1\times%202%20\times%203%20\times%204%20\times...\times%2098%20\times%2099$
Answer: 
 
Question 10:
The average of three numbers is 32. The second number is two times the first number and the third number is six units more than the second number. The first number is 
#Toán lớp 5
3
NT
Nguyễn Thảo Quỳnh
18 tháng 3 2015

Question 1: A > B

Question 2: The value of A is 47

Question 3: The value of A is 99

Question 4: There are 28 girl students in this class.

Question 5: Calculate: ?$(\frac{1}{2}+1)%20\times%20(\frac{1}{3}+1)%20\times%20(\frac{1}{4}+1)%20\times%20...\times%20(\frac{1}{9}+1)%20=$ 5

Question 6: Father is 45 years old

Question 7: The area of this rectangle is 884 ?${cm}^{2}$

Question 8: The value of A is 79

Question 9: The last digit of this product is 0

Question 10: Xin lỗi nha vì mình không làm được câu này :((

 

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DH
Dức Hoàng Hải
29 tháng 3 2015

Question 1: A > B

Question 2: The value of A is 47

Question 3: The value of A is 99

Question 4: There are 28 girl students in this class.

Question 5: Calculate:  5

Question 6: Father is 45 years old

Question 7: The area of this rectangle is 884 

Question 8: The value of A is 79

Question 9: The last digit of this product is 0

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PT
pham thi yen ngoc
18 tháng 3 2015 - olm
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5) Question 1:The length of a rectangle is  and its width is .The perimeter of this rectangle is  .  Question 2:Calculate:  Question 3:If  then  Question 4:. The missing number is  Question 5:Jane had  dollars. She bought  of mangoes at  dollars per kg.How much money did she have left? Answer:  dollars. Question...
Đọc tiếp
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
 
Question 1:
The length of a rectangle is ?$2,36%20m$ and its width is ?$1,27%20m$.
The perimeter of this rectangle is  ?$m$. 
 
Question 2:
Calculate: ?$3,7%20\times%209,2-12,5:2=$
 
Question 3:
If ?$3%20\times%20x=38,1$ then ?$x=$
 
Question 4:
?$23,75+...=58,123$. The missing number is 
 
Question 5:
Jane had ?$40$ dollars. She bought ?$5kg$ of mangoes at ?$4,55$ dollars per kg.
How much money did she have left? Answer:  dollars.
 
Question 6:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$z=$ 
 
Question 7:
?$23,4%20\times%203-...%20\times%2010=15,6$
The missing number is 
 
Question 8:
?$8,145=7+1,02+0,1+...%20\times%205$.
The missing number is 
 
Question 9:
The area of a rectangle is ?$30,6%20cm^{2}$. If its length is increased by ?$3cm$ and its width is unchanged then its area will equal ?$41,4%20cm^{2}$. Its width is  ?$cm$
Fill in the blank with the suitable sign (>; =;<)
 
Question 10:
Compare ?$(%3E;=;%3C)$: ?$2,175%20\times%205$?$10+0,8+0,071+0,005$
#Toán lớp 5
2
TX
Tạ Xuân Tân
18 tháng 3 2015

 

 

 

3.7*9.2-12.5/2=27.79

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PN
Phan Nhật Hào
29 tháng 3 2015

Câu 10 : 2,175 x 5       <      10 + 0,8 + 0,071 + 0,005

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AT
A Toi Mua
18 tháng 3 2015 - olm
Question 1:Write  as a decimal number. The result is  Question 2:Calculate:   Question 3:If  then   Question 4:If  then  Question 5:If  of  is  then  Question 6:If the area of triangle  is  then  of area of square  is    Question 7: of  Question 8:If  of  is  then the value of  is    Question 9:Three shapes are each given a value. Each value is a decimal number or natural number. Such that:The value of  is   Question...
Đọc tiếp
Question 1:
Write ?$90%$ as a decimal number. The result is 
 
Question 2:
Calculate: ?$25:4=$ 
 
Question 3:
If ?$2,5%20\times%20x=9,75$ then ?$x=$ 
 
Question 4:
If ?$A@B=(A-B)%20:%206$ then ?$37@16=$
 
Question 5:
If ?$75%$ of ?$x$ is ?$18$ then ?$x=$
 
Question 6:
h.2.JPG
If the area of triangle ?$ADC$ is ?$15%20dm^{2}$ then ?$27%$ of area of square ?$ABCD$ is  ?$dm^{2}$
 
 
Question 7:
?$0.4%$ of ?$250=$
 
Question 8:
If ?$x%$ of ?$152$ is ?$114$ then the value of ?$x$ is   
 
Question 9:
Three shapes are each given a value. Each value is a decimal number or natural number. Such that:
h.8.JPG
The value of ?$A$ is 
 
 
Question 10:
If ?$16%$ of ?$B$ is ?$20$ then ?$B$?$=$ 
#Toán lớp 5
1
NL
Ngoc Linh
5 tháng 2 2017

1) 90/100

2) 6,25

3) 3,9

4) Mình chưa hiểu cái đề lắm bạn ơi!!!

5) 24

6) 8,1 dm2

7) 1

8) 75%

9) 2,5

10) 125

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T
tuan2004
17 tháng 3 2015 - olm
Question 1:Calculate:  Question 2:Calculate:   Question 3:Mrs Emily used  of flour to make a cake.How much flour did she use to make  such cakes?Answer:   Question 4:The missing number is  Question 5:Fill in the blank with the suitable decimal number: Question 6:of sugar cost  dollars. Mary bought  of sugar and she had  dollars left.How much money did she have at first? Answer:  dollars Question 7:Calculate:  Question 8:If  then  Question 9:.The missing number...
Đọc tiếp
Question 1:
Calculate: ?$3,7%20\times%209,2-12,5:2=$
 
Question 2:
Calculate: ?$19,7%20\times%206=$ 
 
Question 3:
Mrs Emily used ?$0,93%20kg$ of flour to make a cake.
How much flour did she use to make ?$100$ such cakes?
Answer:  ?$kg$
 
Question 4:
?$...\times%203+27,65=45,05$
The missing number is 
 
Question 5:
Fill in the blank with the suitable decimal number:
?$12,5%20\times%205+4%20\times$?$=73,3$
 
Question 6:
?$5%20kg$of sugar cost ?$4,75$ dollars. Mary bought ?$6%20kg$ of sugar and she had ?$10,3$ dollars left.
How much money did she have at first? Answer:  dollars
 
Question 7:
Calculate: ?$7,3%20\times%202,5-34,02:3=$
 
Question 8:
If ?$1,001%20\times%20\overline%20{abc}=a5c,2b9$ then ?$a$?$=$
 
Question 9:
?$8,145=7+1,02+0,1+...%20\times%205$.
The missing number is 
Fill in the blank with the suitable number
 
Question 10:
The length of a rectangle is ?$2,36%20m$ and its width is ?$1,27%20m$.
The area of this rectangle is  ?$m^{2}$.
#Toán lớp 5
1
NV
Nguyễn Văn B
17 tháng 3 2015

cau thi violimpic tieng anh ak

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AT
A Toi Mua
19 tháng 3 2015 - olm
 of the number of books in a library are comic books. What percentage of the books are comic books?Answer:   Question 2:   Question 3:   Question 4:If  then   Question 5:A school has  classes. There are  students in each class. If there are  girls altogether, how many boys more than girls are there in the school?Answer:  Question 6:If  is a natural number and  then the greatest value of  is  Question 7:    Question 8:Find  if Answer:   Question 9:Each...
Đọc tiếp
?$\frac{2}{5}$ of the number of books in a library are comic books. What percentage of the books are comic books?
Answer:  ?$%$
 
Question 2:
?$\frac{1}{10}=$  ?$\times%20\frac{1}{1000}$
 
Question 3:
?$\frac{72}{300}=$  ?$%$
 
Question 4:
If ?$\frac{3}{7}=\frac{A}{133}$ then ?$A=$ 
 
Question 5:
A school has ?$27$ classes. There are ?$40$ students in each class. If there are ?$481$ girls altogether, how many boys more than girls are there in the school?
Answer: 
 
Question 6:
If ?$x$ is a natural number and ?$x%3C7,2334$ then the greatest value of ?$x$ is 
 
Question 7:
?$5\frac{1}{20}%20cm^{2}=%205%20cm^{2}$  ?$mm^{2}$ 
 
Question 8:
Find ?$x$ if ?$(x+1)+(x+6)+(x+11)+...+(x+96)=990$
Answer: ?$x=$ 
 
Question 9:
Each letters ?$A$ or ?$B$ stands for a natural number between ?$0$ and ?$9$. 
Such that: 
2.bmp
The value of ?$B$ is 
 
Question 10:
There are  squares in the following figure
4.bmp
#Toán lớp 5
6
NB
Ngô Bảo Châu
19 tháng 3 2015

Câu 1: 40%

Câu 2: \(\frac{1}{10}\)

Câu 3: 24%

Câu 4: 57

Câu 5: 118 

Câu 6: 7 

Câu 7: 5

Câu 8: 1

Câu 9: 5

Câu 10: 13

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CT
c2tru thcs
22 tháng 3 2015

1:40%     

2:1/10

3:24%

4:57

5:118

6:7

7:5

8:1

9:5

10:13

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PA
Phạm Anh Thư
18 tháng 3 2015 - olm
Question 8:Susan is  years old. Her mother is  as old as the sum of their age. Her mother is  years old. Question 9:Find  if Answer:   Question 10:Each letters  or  stands for a natural number between  and . Such that: The value...
Đọc tiếp
Question 8:
Susan is ?$12$ years old. Her mother is ?$75%$ as old as the sum of their age. 
Her mother is  years old.
 
Question 9:
Find ?$x$ if ?$(x+1)+(x+6)+(x+11)+...+(x+96)=990$
Answer: ?$x=$ 
 
Question 10:
Each letters ?$A$ or ?$B$ stands for a natural number between ?$0$ and ?$9$. 
Such that: 
2.bmp
The value of ?$B$ is 
#Toán lớp 5
3
PB
Pham Bao Uyen
18 tháng 3 2015

8.Her mother is 36 years old.

10.The value of B is 5

      

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CC
Công Chúa Dâu Tây
18 tháng 3 2015

Câu 8 :36

Câu9 : 1

Câu 10 : 5

Nhớ like nhé!

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AT
A Toi Mua
18 tháng 3 2015 - olm
Question 1:Calculate:  Question 2:Find  if .Answer:  Question 3:Calculate:   Question 4:If ;  and  then  Question 5:Jane had  dollars. She bought  of mangoes at  dollars per kg.How much money did she have left? Answer:  dollars. Question 6:of sugar cost  dollars. Mary bought  of sugar and she had  dollars left.How much money did she have at first? Answer:  dollars Question 7:If ;  and  then  Question 8:The area of a rectangle is . If its length is...
Đọc tiếp
Question 1:
Calculate: ?$3,7%20\times%209,2-12,5:2=$
 
Question 2:
Find ?$x$ if ?$23,4:x=3$.
Answer: ?$x=$
 
Question 3:
Calculate: ?$19,7%20\times%206=$ 
 
Question 4:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$x=$
 
Question 5:
Jane had ?$40$ dollars. She bought ?$5kg$ of mangoes at ?$4,55$ dollars per kg.
How much money did she have left? Answer:  dollars.
 
Question 6:
?$5%20kg$of sugar cost ?$4,75$ dollars. Mary bought ?$6%20kg$ of sugar and she had ?$10,3$ dollars left.
How much money did she have at first? Answer:  dollars
 
Question 7:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$y=$
 
Question 8:
The area of a rectangle is ?$24,7%20m^{2}$. If its length is decreased by 5 times and its width is increased by 6 times then its area will equal  ?$m^{2}$
 
Question 9:
?$8,145=7+1,02+0,1+...%20\times%205$.
The missing number is 
Fill in the blank with the suitable number
 
Question 10:
The length of a rectangle is ?$2,36%20m$ and its width is ?$1,27%20m$.
The area of this rectangle is  ?$m^{2}$.
#Toán lớp 5
1
NN
Nguyễn Như Nguyệt
19 tháng 3 2015
Question 1:
Calculate: ?$3,7%20\times%209,2-12,5:2=$
 
Question 2:
Find ?$x$ if ?$23,4:x=3$.
Answer: ?$x=$
 
Question 3:
Calculate: ?$19,7%20\times%206=$ 
 
Question 4:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$x=$
 
Question 5:
Jane had ?$40$ dollars. She bought ?$5kg$ of mangoes at ?$4,55$ dollars per kg.
How much money did she have left? Answer:  dollars.
 
Question 6:
?$5%20kg$of sugar cost ?$4,75$ dollars. Mary bought ?$6%20kg$ of sugar and she had ?$10,3$ dollars left.
How much money did she have at first? Answer:  dollars
 
Question 7:
If ?$x=y:2$; ?$y=z:3$ and ?$z+14,68=40,48$ then ?$y=$
 
Question 8:
The area of a rectangle is ?$24,7%20m^{2}$. If its length is decreased by 5 times and its width is increased by 6 times then its area will equal  ?$m^{2}$
 
Question 9:
?$8,145=7+1,02+0,1+...%20\times%205$.
The missing number is 
Fill in the blank with the suitable number
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