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14 tháng 1 2017

BCNN (9;6;7) =126

9 * 14 =126

6 * 21 = 126

7 * 18 = 126

14 * 21 * 18 = 5292

Answer: 5292.

9 tháng 1 2017

Theo mk là 378 nha. Nếu đúng thì k sai thì thôi hihi ^.^    ^-^    ^,^    

26 tháng 3 2017

khó quá bố ơi

16 tháng 4 2017

-_-||

chịu 2 ôg lun​

1 tháng 1 2017

378

15 tháng 2 2017

bạn cg thi violympic toán tiếng anh à :) mai mk cg thi

12 tháng 10 2016

1) Fill the mussing number. A cube has \(8\) veres

2) Fill the missing number. We're in the \(21\) st century

3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21 \(70\)

4) The fourth power of 3 is \(64\)

5) Twice the square of 3 \(18\)

6) The number of ethnic group in Vietnam? \(54\)

7) The perimeter of 4cm square egde in cm? \(1\)

12 tháng 10 2016

rảnh hè

Câu 2:Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:If your code is sum of the letter values, what is the value of "MATH" ?Answer: Câu 3:What is the next number in the pattern: 25, 23, 21, 19, 17, ...?Answer: Câu 4:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000...
Đọc tiếp

Câu 2:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:

If your code is sum of the letter values, what is the value of "MATH" ?
Answer: 

Câu 3:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Answer: 

Câu 4:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer: 

Câu 5:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with  cans on the first level,  on the second level and continue the pattern all the way up to just one can on top?
Answer:  cans.

Câu 6:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Answer:  beans.

Câu 7:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer:  pennies.

Câu 8:
Use the table of values to help you find the value of 9 feet in inches.

Answer: 

Câu 9:
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
Answer:  years old.

Câu 10:
Calculate:

5
30 tháng 9 2016

Question 2: Answer: 131208 (MATH)

Queston 3: Answer: 15 ; 13 ; 11 ; 9 ; 7 ; 5 ; 3 ; 1

Question 4: Answer: 1112

Question 7: Answer: 67 pennies

Queston 8: Answer: 9 feet = 108 inch

Question 9: Answer: 26 years old

(I think the question 5 ; 6 ; 10 is not enough)

6 tháng 11 2016

Lê Minh Anh câu 2 của  bạn đúng không vậy ?

29 tháng 9 2016

12 sinh viên 4 lớp tại Trường Edgemont tặng đồng xu để tăng 75 đô la cho một tổ chức từ thiện địa phương. số lượng tối thiểu của đồng xu mỗi học sinh cần phải mang lại nếu họ muốn đạt được mục tiêu của họ về thu 75 đô la là gì?
(1 đô la = 100 đồng xu)

29 tháng 9 2016

Change: $ 75 = 7500 cents

 Minimum per cent of students who need help are:

7500:112=66.964.... ( pennies) = 77  pennies

Answer: 77 pennies