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30 tháng 4 2022

a) 55 , 60 , 3003

b) 555 , 613 , 60606

14 tháng 2 2017

20 nha

nghĩ thế thôi

14 tháng 1 2018
20 nhé
12 tháng 10 2016

76342

Dịch: Tìm số có đọc: bảy mươi nghìn, 6 nghìn, 3 trăm, 4 chục và 2 đơn vị.

=> Số đó là: 76342 (đã chứng minh)

12 tháng 10 2016

76342

10 tháng 2 2017

bn học tiếng anh very good !!!!!!!!!!!hihihihihi

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.Answer: Câu 2:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.897;  ; 899Câu 3:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.; 87; 88Câu 4:How many single digit numbers are there?Answer:  numbers.Câu 5:6 is just after of 5 and 5 is just before of 6. What is the product of just after and just...
Đọc tiếp

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer: 

Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897;  ; 899

Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88

Câu 4:
How many single digit numbers are there?
Answer:  numbers.

Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer: 

Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have  beads altogether.

Câu 7:
There are 56 apples in a basket.  of them are green and the rest are red. How many red apples are there?
Answer: There are  red apples.

Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is  .

Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer:  groups.

Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent  dollar.

0
17 tháng 3 2016

Mean? I don't understand

23 tháng 2 2017

Exer 1:

Solution:

Suppose that, the unknown number is: \(\overline{x215}\) (where x \(\in\) N).

When we clean three digits then the smaller number is \(\overline{x}\).

We have: \(\overline{x215}\) + \(\overline{x}\) = 78293

\(\Rightarrow\) 1000. \(\overline{x}\) + 215 + \(\overline{x}\) = 78293

1001. \(\overline{x}\) = 78078

x = 78

Thus, we found two natural number: 78215 and 78.

Exer 2:

Solution:

We have: x + 2y \(⋮\) 5

\(\Rightarrow\) 2x + 4y \(⋮\) 5

(2x + 4y) + (3x - 4y) = 5x \(⋮\) 5

\(\Rightarrow\) 2x + 4y \(⋮\) 5

Deduce 3x - 4y \(⋮\) 5.

Exer 3:

Solution:

We have: 2x + 5y \(⋮\) 7

4x + 10y \(⋮\) 7

(4x + 10y) - (4x + 3y) = 7y \(⋮\) 7

\(\Rightarrow\) 4x + 10y \(⋮\) 7

Deduce 4x + 3y \(⋮\) 7.

11 tháng 2 2020

Sắp xếp các từ sau thành câu có nghĩa:

2. speaks/ English/ Lan/ not/ but/ Chinese/ only/ also

Lan not only speaks English but also Chinese.

3. sixteen/ are/ units/ book/ the/ there/ in

There are sixteen units in the book.

4. This/ have/ two/ does/ room/ doors?

Does this room have two doors?

5. there/ four/ is/ table/ and/ a/ the/ chairs/ room/ in ?

Is there a table and four chairs in the room?

Câu 1 mình ko hiểu đề!