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Since you all seem so intelligent here is a quick puzzle.
Move one digit in the following equation to make it true:
101-102=1
Move one digit in the following equation to make it true:
101-102=1
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what do you mean by move?
If you take the 1 on the right and add it to the 101 on the left you get 102-102=0 which is true but im not sure if by move you mean you can add or subtract.
If you take the 1 on the right and add it to the 101 on the left you get 102-102=0 which is true but im not sure if by move you mean you can add or subtract.
ok the only way i can get it to work is to raise the 2 in the 102 bit to a power.
101-10 ^2 =1 which gives 101-100=1 but im not sure if that counts
101-10 ^2 =1 which gives 101-100=1 but im not sure if that counts
If the equation is written in base 3, then move the 2 from the second term to the left of the answer, so that:
101 - 102 = 1
becomes
101 - 10 = 21
Which in base 10 becomes
10 - 3 = 7
101 - 102 = 1
becomes
101 - 10 = 21
Which in base 10 becomes
10 - 3 = 7
kevd wrote:
> actually that is it !
No fair! You didn't say we could add or remove anything from the equation, only move something!
> actually that is it !
No fair! You didn't say we could add or remove anything from the equation, only move something!
101-102=1 eh......
I think I've got it,and I'm putting into 2 easy steps, so here goes:
Step 1) How about you move the 0 in the first number to the end figure, this should make: 11-102=10
Step 2) You place an addition sign and the number 101 on the end of the sum and before the equals sign, this should make: 11-102+101=10
It is right! You didn't say we couldn't add anything onto it!!?!
I think I've got it,and I'm putting into 2 easy steps, so here goes:
Step 1) How about you move the 0 in the first number to the end figure, this should make: 11-102=10
Step 2) You place an addition sign and the number 101 on the end of the sum and before the equals sign, this should make: 11-102+101=10
It is right! You didn't say we couldn't add anything onto it!!?!
101-102=1
Move the top bit of the equals symbol, so it looks like this.
101=102-1
Simple.
Move the top bit of the equals symbol, so it looks like this.
101=102-1
Simple.
There's always 1 smart as$! :-)
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