The value of b is 4 because ( 7 + 3 + 4 + 4) is divisible by 9
7+3+4=14 biết 18 chia hết cho 9 nên lấy 18-14=4
Đáp số: 4
số chia hết cho 9 tổng các chữ số của nó chia hết cho 9
Ta có : 7 + 3 + b + 4 = b + 14
Suy ra : b = 4
The value of b is 4 because ( 7 + 3 + 4 + 4) is divisible by 9
7+3+4=14 biết 18 chia hết cho 9 nên lấy 18-14=4
Đáp số: 4
số chia hết cho 9 tổng các chữ số của nó chia hết cho 9
Ta có : 7 + 3 + b + 4 = b + 14
Suy ra : b = 4
Find the value of b such that the number 73b4 is divisible by 9?
Answer: b = .............
Find the value of b such that the number 73b4 is divisible by 9?
Exam number 3
Fill in the blank with the suitable number
Question 1:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 2:
Fill missing number in the blank
41165+23042=23042+
Question 3:
Fill missing number in the blank
(32514+16257)+23459=+(16257+23459)
Question 4:
Calculate: 91625 – 27356=
Question 5:
If a square has one side’s length is 12cm then its perimeter is cm
Question 6:
If the perimeter of a square is 104m then its one side’s length is m
Question 7:
Find x such that x+24360=41256
Answer: x=
Question 8:
Find y such that y – 12358=18031
Answer: y=
Question 9:
Find the value of n such that
Answer: n=
Question 10:
Find the value of b such that
Answer: b=
Exam number 2
Fill in the blank with the suitable number
Question 1
Find the value of
Answer: ........
Question 2
Fill missing number in the blank
54723+........=27849+54723
Question 3:
Fill missing number in the blank
41165+23042=23042+.........
Question 4:
Calculate: 4159+2615+421=.........
Question 5:
Find x such that x+24360=41256
Answer: x=........
Question 6:
If the perimeter of a square is 104m then its one side’s length is : ........ m
Question 7:
If a square has one side’s length is 12cm then its perimeter is : ........ cm
Question 8:
Find y such that y – 12358=18031
Answer: y=............
Question 9:
The perimeter of a rectangle is 36cm and its length is 6cm more than its width. Its area is : ........
Question 10:
Find the value of b such that b5 x 5 = 75
Answer: b=.........
Câu 10:
If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A.
Answer: A =
:
If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A.
Answer: A =
If B is not divisible by 24 and B is the greatest 5 - digit number that the sum of the sum of all digits is 21 then B = ?
Find the greatest 4-digit number which is divisible by both 4 and 7 . That number is ..........
If B is not divisible by 24 and B is the greatest 5 - digit number that the sum of all digits is 21 then B= ?