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7x(2-1)=7 7x(5-3)=14 7x(9-6)=21 7x(8-4)=28 7x(7+0)=49

7, 14, 28, 56. 903

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7y ago

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Related Questions

What are the different combinations using the numbers 0 through 9 but using the numbers only once in each combination?

There is only one combination. In a combination the order of the numbers does not matter so the only combination is 0123456789. This is the same as 1326458097


What are three numbers multiples of 5 using 0 to 9 once?

That's not going to work. Multiples of 5 end in 5 or 0. With three numbers, one of those would have to repeat.


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7, 28, 49, 63, 105 is the series of multiples of 7 using 0-9 only once.


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Any number using each of the digits once will be a multiple of 3: eg 1597864302


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Five multiples of three that use each digit from 0 to 9 only once are: 12, 30, 45, 69, and 87.


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What are 5 Multiples of 7 using 0 9 only once?

7, 42, 63, 98, 105


How many 3 digit numbers can you make using the numbers 1 5 and 9 only using them once in every number?

3! = 6.


What is the smallest numeral that you can form using all the 10 digits?

It depends on what is meant by "using" - in a string or with operators; and are leading zeros allowed? The smallest positive string, with no leading zeros, is 1023456789. If a leading zero is permitted, then it is 0123456789. Once you allow operators, it depends on which operators, and the question becomes extremely complex.


What is the enrichment of 16 only using 1 2 3 and 4?

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How many ways can you arrange the numbers 0123456789 in set of 3 and show the numbers?

If I'm allowed to use the same digit more than once, then there are (10 x 10 x 10) = 1,000 ways. If I'm not allowed to use the same digit more than once then there are (10 x 9 x 8) = 720 ways. Either way, I'm afraid you'll have to generate the list on your own.