Tìm 1 số tự nhiên sao cho khi chia số đó cho 9 thì được thương là 7 và có số dư lớn nhất.
Giải:
Vì số chia là 9 nên số dư lớn nhất là: 8
Số đó là: 9x7+8 = 71
Đáp số : 71
Find the smallest possible value of the number 368abc so that it is divisible by 3,4 and by 25.
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer:
The sum of two number is 14,4 . If the first number is increased by 5 times and the second number is increased by 2 times then the new sum will equal 35,1. Find the first number.
A 6 digit number begins with the digit 8.The number with divisible by 9 and all digits of the number are different.What is the possible smallest value of this number?
Toán- Tiếng anh: Giải giúp mình bài này:
find a decimal number number if is decreased by 2,7 the result is increased by 3,5 then the last result is 7,5 ( Write decimal number with the comma between number part and fraction part)
the number 42 has the property that it is divisible by the digit in the ones place, because 42 divisible by 2. how many number between 20 and 40 have this property?
answer: ... numbers
Fill in the blank with the suitable number
Question 1:
There are 49 students in a class. Boy students are the number of girl students. There are girl students in this class.
Question 2:
Calculate:
The value of A is
Question 3:
Calculate:
The value of A is
Question 4:
Jessica is 8 years old. Her grandmother is of her age. How old is Jessica's grandmother?
Answer: years old.
Question 5:
If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator then the numerator is
Question 6:
Find two consecutive even numbers if the first number is of the second number.
Answer: The second number is
Question 7:
Calculate:
The value of A is
Question 8:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer: numbers
Question 9:
If then is
Question 10:
The sum of three consecutive even numbers is 960. The greatest numbers is
the sum of two decimal number is 20,1. If the first number is increased by 5 times and the second number is unchange then new sum will equal 70,5.The second number is....
