tag:blogger.com,1999:blog-6380990483301761181.post1499126916017728425..comments2011-03-31T15:47:44.972-07:00Comments on maths: mental mathskamalhttp://www.blogger.com/profile/00138431206753780225noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-6380990483301761181.post-66304153921079710232008-06-19T02:19:00.000-07:002008-06-19T02:19:00.000-07:00SORRY IT NEED MORE EXPLANTION.SORRY IT NEED MORE EXPLANTION.GADALRABhttp://www.blogger.com/profile/17150821286478112568noreply@blogger.comtag:blogger.com,1999:blog-6380990483301761181.post-38331058088534864672008-05-29T04:27:00.000-07:002008-05-29T04:27:00.000-07:00There is no explanation for the answer. It require...There is no explanation for the answer. It required to understand the procedureMukundhttp://www.blogger.com/profile/00096480764796467938noreply@blogger.comtag:blogger.com,1999:blog-6380990483301761181.post-36495580303307536912008-05-28T06:05:00.000-07:002008-05-28T06:05:00.000-07:00not sure that is a good trick since there is no go...not sure that is a good trick since there is no good explanation. where is this 4+ 1 and 9+1 comes from?ozkarin0http://openid.aol.com/ozkarin0noreply@blogger.comtag:blogger.com,1999:blog-6380990483301761181.post-50600272287065510112008-05-08T01:16:00.000-07:002008-05-08T01:16:00.000-07:0042 X 9I must be thick - cos I just don't get the e...42 X 9<BR/><BR/>I must be thick - cos I just don't get the explanation.<BR/>If we take the example of 42 x 9 I would simply say 2 x 9 = 18; 40 x 9 = 360; 360 + 18 = 378<BR/><BR/>You restate this as:<BR/>(4+1) – 42 X (9+1)<BR/><BR/>Where does (4+1) come from?<BR/>Where does (9+1) come from?<BR/>How does this become 42 – 5 X (10-2)?<BR/>Anyway 42 - 5 = 37<BR/>(10 - 2) = 8<BR/>37 x 8 = 56 + 240 = 296<BR/>Clearly this is not 378<BR/>I do recognise that you have the numbers 37 & 8 which are the components of 378...<BR/><BR/>Please can you explain so that I understandLeshttp://www.blogger.com/profile/14092111294297724516noreply@blogger.com