2015 AIME I Problems: Difference between revisions
m Removed protection from "2015 AIME I Problems" |
No edit summary |
||
| Line 1: | Line 1: | ||
==Problem 1== | |||
The expressions <math>A</math> = <math> 1 \times 2 + 3 \times 4 + 5 \times 6 + \cdots + 37 \times 38 + 39 </math> and <math>B</math> = <math> 1 + 2 \times 3 + 4 \times 5 + \cdots + 36 \times 37 + 38 \times 39 </math> are obtained by writing multiplication and addition operators in an alternating pattern between successive integers. Find the positive difference between integers <math>A</math> and <math>B</math>. | |||
Revision as of 16:55, 20 March 2015
Problem 1
The expressions 
= 
and 
= 
are obtained by writing multiplication and addition operators in an alternating pattern between successive integers. Find the positive difference between integers and .
