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5 tháng 2 2016

ĐS: 30 đó bạn. Ta chỉ cần tìm số lớn nhất là được. Ủng hộ nha.

28 tháng 1 2016

30

tick nha ban

25 tháng 2 2016

30

10000000000% luôn!

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

24 tháng 9 2017

làm xong chắc đến tối

24 tháng 9 2017

Đây là " Giúp tôi giải TOÁN " chứ không phải " Giúp tôi giải TIẾNG ANH " nha bạn!

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

The perimeter of the figure:
4 + 4 + 4 + 6-4 + 6 + 6 + 6 = 32 (cm)
Answer: 32 cm

16 tháng 12 2016

Answer: 80 dollar.