The computer adds up all the digits in the number that you gave him until only 1 digit is left and subtracts the answer from 9. Example: the answer you gave him is 280, this is what it does: 1) 2+8=10 2) 1+0=1 3) 9-1=8. 4) the number you circled is 8

The computer adds all the digits of number you gave him. He adds the digits of the numbers of what he added. Then he subtracts it from 9. Eg: you choose 1234 jumbled up number 3421 minus the smaller number from the bigger number 3421 - 1234 = 2187 lets say you circle 1 you type in 2, 8 and 7 This is what the computer does 2 + 8 + 7 = 17 1 + 7 = 8 9 - 8 = 1 TA DA! There you go ans 1 *Mr Johari I will post the method using algebra when I thought of how to. =)

Here is what i think: For example i choose the number 8251 or 921 Then i jumble up the number to be 5281 or 291 I subtract 5281 from 8251 and get 2970 Then i circle 2 and jumble the rest into 79 Then the computer subtracts 9 from the answer, if the answer is more than 9, until the number is not more than 9 e.g.79-9-9-9-9-9-9-9-9=7 Then it takes 9 to minus the answer e.g.9-7=2 Which is the number taken away

or

For example i choose the number 921 Then i jumble up the number to be 291 I subtract 291 from 921 and get 630 Then I circle 6 and jumble the rest to get 3 Then the computer the answer from nine e.g.9-3=6 Which is the number removed

By adding the numbers it gets (until it becomes a single digit number), the computer will then subtract the sum from 9.

Example 1 (subtracting 9 from the sum): My number is 864, I jumble it up to make a new number: 648. I subtract 648 from 864 which gives me 216. Now, I choose a number: 1. 2 + 6 = 8 9 - 8 = 1#

Example 2: My number is 4652, I jumble it up to make a new number: 5462. I subtract 4652 from 5462 which gives me 810. Now, I choose a number: 8. 0 + 1 = 1 9 - 1 = 8#

Example 3: My number is 6894, I jumble it up to make a new number: 4698. I subtract 4698 from 6894 which gives me 2196. Now, I choose a number: 6. 2 + 1 + 9 = 12 1 + 2 = 3 9 - 3 = 6#

Add the 3 numbers you typed in then add the digits of the sum from the first equation and subtract the number from 9. Example: Number: 1234 Jumbled number: 4321 Difference: 2997 Circled number: 7 Sum of 3 numbers typed in: 2+9+9=20 Sum of digits from first answer: 2+0=2 Remove sum from 9: 9-2=7 (circled number)

The computer adds up all the digits in the number that you gave him until only 1 digit is left and subtracts the answer from 9. Example: the answer you gave him is 280, this is what it does: 1) 2+8=10 2) 1+0=1 3) 9-1=8. 4) the number you circled is 8

ReplyDeleteThe computer adds all the digits of number you gave him. He adds the digits of the numbers of what he added. Then he subtracts it from 9.

ReplyDeleteEg:

you choose 1234

jumbled up number 3421

minus the smaller number from the bigger number

3421 - 1234 = 2187

lets say you circle 1

you type in 2, 8 and 7

This is what the computer does

2 + 8 + 7 = 17

1 + 7 = 8

9 - 8 = 1

TA DA! There you go ans 1

*Mr Johari I will post the method using algebra when I thought of how to. =)

Here is what i think:

ReplyDeleteFor example i choose the number 8251 or 921

Then i jumble up the number to be 5281 or 291

I subtract 5281 from 8251 and get 2970

Then i circle 2 and jumble the rest into 79

Then the computer subtracts 9 from the answer, if the answer is more than 9, until the number is not more than 9

e.g.79-9-9-9-9-9-9-9-9=7

Then it takes 9 to minus the answer

e.g.9-7=2

Which is the number taken away

or

For example i choose the number 921

Then i jumble up the number to be 291

I subtract 291 from 921 and get 630

Then I circle 6 and jumble the rest to get 3

Then the computer the answer from nine

e.g.9-3=6

Which is the number removed

Example; 8934

ReplyDeleteJumble up; 3948

8934-3948

=4986

Circle 6

Left with; 498

4+9+8

=21

21: 2+1

=3

--> Subtract from 9

9-3

=6

6 is the circled number.

The system adds up all the 3 numbers you give him, adds it up again if its double-digit, and subtracts it by 9.

ReplyDeleteExample: 8269

Jumbled: 6892

Subtracted: 1377

Circle: 3

Add up: 1+7+7 = 15

Add up: 1+5 = 6

Subtract: 9 - 6 = 3 (circled number)

By adding the numbers it gets (until it becomes a single digit number), the computer will then subtract the sum from 9.

ReplyDeleteExample 1 (subtracting 9 from the sum):

My number is 864, I jumble it up to make a new number: 648. I subtract 648 from 864 which gives me 216. Now, I choose a number: 1.

2 + 6 = 8

9 - 8 = 1#

Example 2:

My number is 4652, I jumble it up to make a new number: 5462. I subtract 4652 from 5462 which gives me 810. Now, I choose a number: 8.

0 + 1 = 1

9 - 1 = 8#

Example 3:

My number is 6894, I jumble it up to make a new number: 4698. I subtract 4698 from 6894 which gives me 2196. Now, I choose a number: 6.

2 + 1 + 9 = 12

1 + 2 = 3

9 - 3 = 6#

Add the 3 numbers you typed in then add the digits of the sum from the first equation and subtract the number from 9.

ReplyDeleteExample:

Number: 1234

Jumbled number: 4321

Difference: 2997

Circled number: 7

Sum of 3 numbers typed in: 2+9+9=20

Sum of digits from first answer: 2+0=2

Remove sum from 9: 9-2=7 (circled number)