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14 tháng 10 2015

bạn để ý đi 600x546x506x600 chứ có phải 600x546+506x600 đâu mà bạn làm 600x(546+506) nếu làm vậy bạn phải làm là 600x(546x506) mới đúng bạn ạ.(mình góp ý cho bạn, nếu có gì phật lòng xin bạn bỏ qua cho

19 tháng 11 2023

vì 24.25 ra 2 chữ số 0 ;20.21 ra 1 chữ số 0 và 30.26 ra 1 chữ số 0 nên có số chữ số 0 ở cuối tích là

2+1+1=4(chữ số)

Question 1:The perimeter of the circle is cm(Write your answer by decimal in the simplest form)Question 2:Calculate: 626.35+525.36 =Question 3:Calculate:(Write your answer in the simplest form)Question 4:There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?Answer: There are empty seats.Question 5:A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?(Write your answer by...
Đọc tiếp

Question 1:

The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)

Question 2:
Calculate: 626.35+525.36 =

Question 3:
Calculate:
(Write your answer in the simplest form)

Question 4:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are empty seats.

Question 5:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer:

Question 6:

The value of m is

Question 7:
Mrs. Jane buys 10kg of flour. She uses 1/6 of it to make a cake and 1/3 of it to make grape pies. How many kilograms of flour are left?
Answer: kg.

Question 8:
45% of M is 72. The value of M is

Question 9:
Emily rides her horse 21km in 7/6 hours. What is her average speed in kilometers per hour?

Answer: Her average speed is kilometers per hour.

Question 10:
Anna multiply together the following numbers

How many zeros are there at the end of the product?
 Answer: There are zeros.

0
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:A classroom is 6.5 meters long and 4.2 meters wide. What is its area?  Answer: Its area is ................................ (Write your answer by decimal in the simplest form)Question 2:The area of the trapezoid below is  .........................Question 3:What is 50% of 824?Answer: .........................................Question 4:The...
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:
A classroom is 6.5 meters long and 4.2 meters wide. What is its area? 
 Answer: Its area is ................................ ?$m^{2}$
(Write your answer by decimal in the simplest form)

Question 2:
The area of the trapezoid below is  .........................?$cm^{2}$
2015.24.png

Question 3:
What is 50% of 824?
Answer: .........................................

Question 4:
2015.25.png
The perimeter of the circle is ...........................cm
(Write your answer by decimal in the simplest form)

Question 5:
45% of M is 72. The value of M is ............................

Question 6:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour? 
(Write your answer by decimal in simplest form)
Answer: .............................

Question 7:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is  ..................?$m^{2}$

Question 8:
?$7%20\frac{1}{5}=\frac{m}{5}+%20\frac{27}{5}$
The value of m is ..........................

Question 9:
Anna multiply together the following numbers
2015.28.png
How many zeros are there at the end of the product? 
 Answer: There are ................... zeros.

Question 10:
If  ?$\frac{3}{7}%3E\frac{2}{n}%3E\frac{3}{8}$and n is a natural number then n = ..........................

2
14 tháng 10 2015

3)=412

4)21,98

5)32,4

11 tháng 8 2016

Question 1:  27,3

Question 2: 18

Question 3:  412

Question 4:  21,98 cm

Question 5: M=32,4

Question 6: 60,2

Question 7: 494

Question 8: m=9

Question 9: 4 zeros

Question 10: n=5

8 tháng 9 2017

a bang 2

b i don't know

16 tháng 5 2016

4 ) S = 18 cm2

6 ) x = 20 cm

Vậy thôi nhick mik làm tiếp

16 tháng 5 2016

4) 18 cm2

6) 20 cm

3 tháng 3 2016

Mình không dịch được bài này. Bạn thông cảm nhé

3 tháng 3 2016

co the len google dich duoc

28 tháng 4 2016

Mk dịch ra cho các bạn hiểu nè, chứ mình không biết làm, hì hì

Có bao nhiêu số tự nhiên có ba chữ số mà chữ số hàng chục bình phương bằng tổng của các chữ số khác và sự khác biệt giữa số lượng và thứ tự đảo ngược của nó là 495?
Trả lời: Có....số