tag:blogger.com,1999:blog-2207789741693789296.post2495777329349862414..comments2024-03-28T09:23:46.097-04:00Comments on Cool Math Stuff: How to Multiply by Nine on Your FingersEthan Brownhttp://www.blogger.com/profile/09611695185154134251noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2207789741693789296.post-25396279344465447062012-09-25T05:17:51.224-04:002012-09-25T05:17:51.224-04:00how can this be so much complicated..
cool math 4 ...how can this be so much complicated..<br /><a href="http://www.mathblaster.com/" rel="nofollow">cool math 4 kids</a>johnpeterjohnhttps://www.blogger.com/profile/06580993574762339288noreply@blogger.com