You can’t change the order of the digits! So what’s the least number of pluses and minuses needed to make 100? For instance, 98 – 7 – 6 + 54 – 32 shows one way of interspersing pluses and minuses, but since it equals 107, it’s not a solution.
What do you get if you add all the numbers from 1 to 100?
The sum of the numbers 1-100 would be equal to the number of pairs (50) multiplied by the sum of each pair (101), or 50 x 101 = 5,050.
How do you get 100 using 4 7s and 1?
Using the numerals 1,7,7,7 and 7 (a “1” and four “7”s) create the number 100. As well as the five numerals you can use the usual mathematical operations +, −, ×, ÷ and brackets (). For example: (7+1) × (7+7) = 112 would be a good attempt, but not right, because it is not 100.
Where does the phone number 123456789 come from?
The phone number +123456789 is coming from United States (according to the international dialing code +1 ). 130 User Reports for that phone number are leading to the assumption that it is of the following type: Not specified. Country of origin. United States. Country Code.
How do you multiply 123456789 with 9?
That is Multiply 123456789 with 9. Write the result 1111111101 at the end leaving 0 spaces to the right like this. Now multiply the first number with the 1 s t digit in 2 n d number to get intermediate results. That is Multiply 123456789 with 9.
How to get a value of 100 from 123456789?
Among the digits 123456789, pick and choose the sum close to 100, such as 89. Therefore I would attempt to get a value of 11 from 1234567 using different combinations. When you start working on a smaller sum now (sort of like divide and conquer), you may get the desired result. (Of course there is no specific algorithm).
Why are there no plus and minus signs in 123456789?
“A common interpretation among today’s fundamentalists is that 666 represents a falling short of 777, which is taken to be a symbol of perfection. I believe there is no way to insert any number of plus and minus signs in 123456789 to get a sum of 777, and just one way to do it with 987654321.