The lengths in cm of three sides of a triangle are three consecutive odd numbers.
Knowing that the perimeter of the triangle is 40.5 dm, find the length of the longest side of the
triangle.
A.137cm
B.135cm
C.143cm
D.145cm
Question 1:
The smallest odd multiple of 9 is
Question 2:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 3:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 4:
P is a prime number and a factor of 8. What is P?
Answer: P =
Question 5:
A prime number between 42 and 46 is
Question 6:
In the following numbers, which has the most factors?
Answer:
Question 7:
The number 55 has factors.
Question 8:
Find the sum of all the factors of 15
Answer:
Question 9:
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer:
Question 10:
If m, n are consecutive odd numbers and is divisible by 3 and 5 then m =
find three consecutive even numbers if the sum of the smallest number and the greatest number is 1000.
1) Fill the mussing number. A cube has.....vertices
2) Fill the missing number. We're in the....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
4) The fourth power of 3 is...
5) Twice the square of 3....
6) The number of ethnic group in Vietnam?
7) The perimeter of 4cm square egde in cm?
A 4 - digits numbers divisible by all of the numbers from 1 to 10 without any remainder. Find the smallest possible value of the 4-digits number
A 4 - digits numbers divisible by all of the numbers from 1 to 10 without any remainder. Find the smallest possible value of the 4-digits number
toán tiếng anh siêu khó
We use 8 digits 0, 1, 2, 3, 4, 5, 6, 7 to form all 5-digit natural numbers consisting of distinct digits. Find the sum of all numbers that can be formed
Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
A 4 - digits numbers divisible by all of the numbers from 1 to 10 without any remainder. Find the smallest possible value of the 4-digits number