Difference between revisions of "2024 AMC 8 Problems/Problem 1"
Srinivasan21 (talk | contribs) (→Solution 1) |
(→Solution 1) |
||
| Line 7: | Line 7: | ||
<cmath>222,222-22,222-2,222-222-22-2</cmath> | <cmath>222,222-22,222-2,222-222-22-2</cmath> | ||
<cmath> \equiv 2-2-2-2-2-2</cmath> | <cmath> \equiv 2-2-2-2-2-2</cmath> | ||
| − | <cmath> \equiv -8</cmath> | + | <cmath> \equiv -8</cmath> |
| − | So the solution is <math>( | + | <cmath> \equiv 2</cmath> |
| + | So the solution is <math>(B) </math> <math> 2</math> | ||
~nikhil | ~nikhil | ||
Revision as of 13:03, 25 January 2024
Problem
What is the ones digit of ![\[222,222-22,222-2,222-222-22-2?\]](http://latex.artofproblemsolving.com/e/2/f/e2fbba6a2cccb3d60b70444a8b272999a204281e.png)
Solution 1
![\[222,222-22,222-2,222-222-22-2\]](http://latex.artofproblemsolving.com/a/2/7/a2725dab8150e76bea650e7fe8585ceecf400c33.png)
![\[\equiv 2-2-2-2-2-2\]](http://latex.artofproblemsolving.com/d/b/3/db37d9f234f299d75e5207584906b039abedc379.png)
![\[\equiv -8\]](http://latex.artofproblemsolving.com/2/9/d/29ddd3ce8b10dc0f9a6f36a79d1ad76b5c400abb.png)
![\[\equiv 2\]](http://latex.artofproblemsolving.com/b/1/1/b11d342808f9e78408b144a42636280aa7cf6855.png)
So the solution is 
~nikhil
