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14 tháng 12 2016

.........= 115

Because 138 . 100 : 120 = 13800 : 120 = 115

=> Answer is 115

14 tháng 12 2016

Chú thích: because nghĩa là " vì "

Answer is 115 nghĩa là " Kết quả là 115 "

16 tháng 3 2016

2: Ước của 120 là:

{1;2;3;4;5;6;8;10;12;15;20;24;30;40;60;120}

9: x+ (1+2+3+4+...+100) = 5750

    x + 5050= 5750

     x = 5750 - 5050 = 700

6. Chữ số thứ 215 là 1285

16 tháng 2 2017

cau 2 la co 16 uoc

cau 5 a=7 b=-1 c=-2 d=-3

Question 2:Fill in the blank with the suitable sign (>, <, =)Question 2.1:Compare: 5/123 ............1/41Fill in the blank with the suitable number.Question 2.2:Divide Write your answer in the simplest form.Question 2.3:3km2 = .......... m2.Question 2.4:...../4 m = 175cm.The missing number is .............Question 2.5:The cost of eight spoons is 4 dollars. How much do 6 spoons cost?Answer:6 spoons cost ..............dollars.Question 2.6:The sum of two consecutive odd numbers is 2016. The...
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Question 2:

Fill in the blank with the suitable sign (>, <, =)
Question 2.1:
Compare: 5/123 ............1/41

Fill in the blank with the suitable number.

Question 2.2:
Divide 

Write your answer in the simplest form.

Question 2.3:

3km= .......... m2.

Question 2.4:

...../4 m = 175cm.
The missing number is .............

Question 2.5:

The cost of eight spoons is 4 dollars. How much do 6 spoons cost?
Answer:
6 spoons cost ..............dollars.

Question 2.6:

The sum of two consecutive odd numbers is 2016. The greater number is ...............

Question 2.7:

The sum of denominator and numerator of a fraction is 91 and the fraction is equal to 6/7. The denominator of the fraction is ...............

Question 2.8:

1/2 + 1/4 + 1/n = 11/12
The value of n is ...........

Question 2.9:

Bella has 30 candies. Alice has 5 candies fewer than Bella. Sara has 5 candies more than Bella. How many candies do they have altogether?
Answer:
They have .......... candies altogether.

Question 2.10:

The sum of the page number of the last 3 pages of a book is 369. What is the last page number?
Answer:
The last page number is .............

Question 3:

Question 3.1:
25mm= .............

  • a. 1/40m2
  • b. 1/400m2
  • c. 1/4000cm2
  • d. 1/40000m2

Question 3.2:

3/100 m= ...........

  • a. 3dm2
  • b. 30cm2
  • c. 3mm2
  • d. 3cm2

Question 3.3:

2kg = ..........

  • a. 20g
  • b. 200g
  • c. 2000g
  • d. 20000g

Question 3.4:

Write >, <, = 
3cm200mm............. 3200mm2

Question 3.5:

3/10 kg = .............g.

 

1
4 tháng 3 2017

Question 2.1 : 5/123 < 1/41

Question 2.3 : 3km2 = 3000000m2

Question 2.4 : 7/4m = 175cm

Question 2.5 : 6 spoons cost 3 dollars

1 tháng 12 2015

ko hiểu bài nhìn hoa cả mắt

1 tháng 12 2015

cho hỏi bạn viết gì vậy

Exercise 3.1. My father waters these flowers every morning.->These…………………………………………………………………………………………..2. John invited some of his friends to his birthday party last night.-> Some …………………………………………………………………………………………3. Her mother is preparing the dinner in the kitchen at this time.-> The dinner……………………………………………………………………………………..4. We should clean our teeth twice a day.-> Our teeth…………………………………………………………………………………….5. Our teachers have explained the English grammar already.-> The English...
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Exercise 3.

1. My father waters these flowers every morning.

->These…………………………………………………………………………………………..

2. John invited some of his friends to his birthday party last night.

-> Some …………………………………………………………………………………………

3. Her mother is preparing the dinner in the kitchen at this time.

-> The dinner……………………………………………………………………………………..

4. We should clean our teeth twice a day.

-> Our teeth…………………………………………………………………………………….

5. Our teachers have explained the English grammar already.

-> The English grammar…………..……………………………………………………………

6. Some drunk drivers caused the accident in this city last year.

-> The accident …………………………………………………………………………………..

7. Tom will visit his parents next month.

->His parents…………………………………………………………………………………...

8. The manager didn’t phone the secretary this morning.

->The secretary………………………………………………………………………………….

9. The waiter brought me this dish some minutes ago.

 -> I……………………………………………………………………………………………...

10. Our friends send these postcards to us on Christmas days.

-> These…………………………………………………………………………………………..

1
11 tháng 6 2021

Refer:

1.My father waters this flower every morning.

=> this flower is watered by my father every morning

2.John invited Fiona to his birthday party last night.

=> Fiona was invited to John's birthday party last night

3.Her mother is preparing the dinner in the kitchen.

=> The dinner is being prepared in the kitchen by her mother

4.We should clean our teeth twice a day.

=>Our teeth should be cleaned twice a day

5.Our teachers have explained the English grammar.

The english grammar has been explained by our teachers

6.Some drunk drivers caused the accident in this city.

=> The accident was caused by some drunk drivers in this city

7.Tom will visit his parents next month.

=> Tom's parents will be visited next month

8.The manager didn’t phone the secretary this morning.

=> the secretary wasn't phoned by the manager this morning

9. This dish is brought to me by the waiter 

10. These postcards are sent to us by our friends

11 tháng 6 2021

xem lại câu 2 hộ mik đc kokhocroi

23 tháng 2 2016

1 : 2

2:7

3:45

4:10