Four numbers: 7922, 3896, 7897, 3893 are on a board. What is the difference between the largest odd number and the smallest even number?
Answer: The difference is ............
Câu 1) the number is 13 less than 38?
Câu 2) The number of divisors of 1000?
Câu 3) The side in decimeters of a square whose are 16 900cm2?
Câu 4) What is the difference between the largest and the smallest 2-numbers that can be formed by the four digits 0,5,6 and 2?
Câu 1) bằng 25 lấy số lớn trừ số bé là 38 - 13 = 25
What is the difference between the largest and the smallest possible distinct 4-digit number that you can make from four digits 0, 4, 2 and 3?
Dịch đề bài: Hiệu (hay khoảng cách) của số lớn nhất và số nhỏ nhất có bốn chữ số khác nhau được lập ra từ 4 chữ số 0, 4, 2 và 3?
Giải:
Số lớn nhất có 4 chữ số khác nhau được lập từ 4 chữ số đó là: 4320
Số bé nhất có 4 chữ số khác nhau được lập từ 4 chữ số đó là: 2034
Vậy hiệu (hay khoảng cách) của hai số đó là:
4320 - 2034 = 2286
Đáp số: 2286
What is the difference between the greatest and the smallest four-digit number that each formed by different digits?
If 1893-m=1257 then m=
.
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Câu 3
Four numbers 7922; 3896; 7897; 3893 are on a board. What is the difference between the largest odd number and the smallest even number?
Answer:The difference is
.
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Câu 4
If 3241-m=187 then m=
.
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Câu 5
I add 356 to a number. The result is twice the difference of 4252 and 169. What is the number?
Answer:The number is
.
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Câu 6
What is my answer if I add 32 tens and 18 ones to the difference of 5000 and 32 hundreds?
Answer: My number is
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Câu 7
Joanne is 28 years older than Melvin. Mabel is 16 years younger than Joanne. If Mabel is 43 years old, find the total age of them.
Answer:
years old.
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Câu 8
Subtract 85 from the sum of 2348 and 788. How many tens are there in the result?
Answer:
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Câu 9
How many 2 – digit numbers from 11 to 27?
Answer:
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Câu 10
Mr Tan is 35 years older than his son now and Mrs Tan is 8 years younger than Mr Tan. 10 years ago, his son was 17 years old. Find the total age of them now.
Answer:
years old.
636;4001;3054;7801;2138;133;3078;17;83
mk thi cái này rồi
The average of five different natural numbers is 4.If the difference between the largest and smallest of these numbers is as large as possible,what is the average of the other three numbers?
What is the difference between the sum of the first 100 positive even numbers and the sum of the first 100 positive odd numbers ?
The first 100 positive even numbers are 2; 4; 6;...; 200. Their sum is \(\dfrac{\left(200+2\right).100}{2}=10100\).
The first 100 positive odd numbers are 1; 3; 5;...; 199. Their sum is \(\dfrac{\left(199+1\right).100}{2}=10000\)
The difference between two sums is \(10100-10000=100\)
There are two even numbers whose sum is 3986 and there are 5 odd numbers between them.
a) Find the greater number. Give your answer only.
b) Find the smaller number. Give your answer only.
Using each of the digits 2, 3, 5 and 6 exactly once, form two 2 – digit numbers. What is the difference between the largest possible product and the smallest possible product of two such numbers ?
Using each of the digits 2, 3, 5 and 6 exactly once, form two 2 – digit numbers. What is the difference between the largest possible product and the smallest possible product of two such numbers