An even number M is divisble by 5 if the last digit of M is ............
An even number M is divisble by 5 if the last digit of M is ............
Because M is an even number and M is divisible by 5 so the last digit of M is 0
the last digit of M is 0 because M is divisble by 5 and M is an even number
A 4-digits number is divisble by all of the numbers from 1 to 10 ưithout any remainder .
find the smallest possible value of the 4 - digit number
if delete the last digit of a 3-digit number then it will be decreased by 93 units. Find the original number. Answer the original number is
ab3 - ab = 93
ab x 10 + 3 - ab = 93
ab x (10 - 1) =93 - 3
ab x 9 = 90
ab = 90 : 9
ab = 10
the original number is 103
I am an even 2-digit number. The sum of my tens digit and my ones digit is 11 and their difference is 5. Who am I?
trang học toán chứ ko phải là English math đâu
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The last digit of a 4-digit number is 2. If the digit 2 is moved to the start of the number, the new 4-digit number is more than 1098 the original number. Find the original number.
Hỏi đáp án là bao nhiêu? [ Tự dịch câu hỏi trên ].
Ta gọi số là abc2.
Ta có :
2abc - abc2 = 1098
2000 + abc - abc0 - 2 = 1098
Mà : abc0 = 10abc
(2000 - 2) - 10 x abc + 1 x abc = 1098
1998 - (10 - 1) x abc = 1098
9 x abc = 1998 - 1098
9 x abc = 900
abc = 100
Vậy số đó là 1002.
câu này nghĩa là
Các chữ số cuối của số có 4 chữ số là 2. Nếu chữ số 2 được chuyển đến đầu số, số điện thoại mới 4 chữ số là hơn 1098 số lượng ban đầu. Tìm số lượng ban đầu
Fill in the blank with the suitable number
Question 1:
Fill missing number in the blank
41165+23042=23042+
Question 2:
Fill missing number in the blank
54723+
=27849+54723
Question 3:
Calculate: 4159+2615+421=
Question 4:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 5:
If a square has one side’s length is 12cm then its perimeter is
cm
Question 6:
Find the value of 2356+a-b for a=1482, b=3105
Answer:
Question 7:
Think of a number that if you add 720 to it the answer will be 1427. The number is
Question 8:
If the perimeter of a square is 104m then its one side’s length is
m
Question 9:
I am an even 2-digit number. The sum of my tens digit and my ones digit is 11 and their difference is 5. Who am I?
Answer:
Question 10:
The perimeter of a rectangle is 72cm and its length is 12cm more than its width. Its length is
cm
Question 9:
I am a two –digit number. I have digit “0” in the ones place. When I am divided by 6, the quotient is 8 and has remainder. Who am I?
Answer:
Question 10:
The difference of a 3-digit number and the smallest 3-digit number is just before of the greatest even 2-digit number. The 3-digit number is
The difference of a 3 digit number and the smallest 3 digit number is just before of the greatest 2 even digit number . The 3 digit number is ......
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 = ?